Does * Mean Multiply in Math?
If you've ever glanced at a math problem and seen asterisks (*), you might have found yourself wondering, “Wait, does that mean multiply?” Well, the short answer is: yes, it does! But let's unpack this a little more, because there’s actually some cool history behind this, and a few things that might surprise you along the way.
The Rise of the Asterisk in Math
Okay, so let's be real for a moment—math symbols have a way of evolving over time. Back in the day, people used the "×" symbol to indicate multiplication, but there was a catch: that “x” was easily confused with a variable (you know, like the “x” in algebra). So, in the 1960s, a genius mathematician by the name of Clemens C. J. R. came up with the idea of using the asterisk (*) as a way to represent multiplication.
Why the asterisk? Well, for one, it was easy to type, especially on early computer keyboards that didn't have the "×" symbol. Plus, it just made sense—it's small, easy to spot, and does the job well without causing any confusion. You’ll see this symbol pop up in programming languages, spreadsheets like Excel, and even in some calculators these days.
When Do You See the * in Math?
Okay, so the asterisk (*) is your official math buddy when you're working with computers or calculators that don’t have a “×” symbol. Let’s say you’re working in Excel and you type 5 * 3. Excel knows exactly what you mean: 5 times 3 equals 15.
The cool part? This isn't just limited to computer programs. In some mathematical texts, you’ll find the asterisk used to represent multiplication. It’s just a cleaner and more universally recognized way to get the point across—especially when you're working with a keyboard.
But don't get it twisted: while “×” is still commonly used in schools or handwritten equations, the asterisk is the go-to for anything tech-related.
Why Not Just Use “×” Everywhere?
You might be asking, “Okay, so why don’t we just use ‘×’ all the time? Why the need for the * symbol?” Well, as we touched on earlier, it all comes down to convenience and clarity. In programming, for instance, using an asterisk makes things less cluttered, especially when you’re doing calculations within code. Imagine trying to write complex algorithms with the “×” symbol in the middle of them—it might get confusing. The asterisk provides that clean, clear, easy-to-spot solution.
Plus, let’s face it, “×” isn’t the most intuitive key to hit on a regular keyboard. Try finding it on a QWERTY layout… not exactly a quick search. So, * it is.
Does * Mean Multiply in Every Context?
As much as we’d love to think that * = multiply everywhere, it's worth noting that there are a few places where it might mean something else. For example, in certain programming languages or texts, * could be used to represent different operations based on the context. But, in the world of basic math, if you see the asterisk, it’s almost always going to mean multiplication. So, don’t stress—when in doubt, * usually means "multiply."
It’s also worth noting that in some specialized fields, such as linear algebra, you might see the asterisk used in a different way, like denoting a conjugate or a complex operation. But again, that’s more of a niche thing.
Fun Fact: The * Symbol Isn’t Just for Math
Did you know the * symbol isn't just reserved for math? It's used in all sorts of other cool ways too. In literature, it can denote a footnote or a reference mark. In texting or social media, it's a way to emphasize a word—like typing really to show you're being extra serious. So the * is pretty versatile, if you ask me!
Conclusion: Does * Mean Multiply in Math?
Absolutely, yes! In the world of math (especially when it comes to computers, programming, and online calculations), the asterisk (*) is your trusty stand-in for the multiplication sign (×). It's convenient, easy to use, and works across a wide range of platforms. So, the next time you’re solving an equation in Excel or typing out a quick formula, don’t be surprised to see the * symbol—it’s there to help make your math life a little easier.
How much height should a boy have to look attractive?
Well, fellas, worry no more, because a new study has revealed 5ft 8in is the ideal height for a man. Dating app Badoo has revealed the most right-swiped heights based on their users aged 18 to 30.
Is 172 cm good for a man?
Yes it is. Average height of male in India is 166.3 cm (i.e. 5 ft 5.5 inches) while for female it is 152.6 cm (i.e. 5 ft) approximately. So, as far as your question is concerned, aforesaid height is above average in both cases.
Is 165 cm normal for a 15 year old?
The predicted height for a female, based on your parents heights, is 155 to 165cm. Most 15 year old girls are nearly done growing. I was too. It's a very normal height for a girl.
Is 160 cm too tall for a 12 year old?
How Tall Should a 12 Year Old Be? We can only speak to national average heights here in North America, whereby, a 12 year old girl would be between 137 cm to 162 cm tall (4-1/2 to 5-1/3 feet). A 12 year old boy should be between 137 cm to 160 cm tall (4-1/2 to 5-1/4 feet).
How tall is a average 15 year old?
Average Height to Weight for Teenage Boys - 13 to 20 Years
| Male Teens: 13 - 20 Years) | ||
|---|---|---|
| 14 Years | 112.0 lb. (50.8 kg) | 64.5" (163.8 cm) |
| 15 Years | 123.5 lb. (56.02 kg) | 67.0" (170.1 cm) |
| 16 Years | 134.0 lb. (60.78 kg) | 68.3" (173.4 cm) |
| 17 Years | 142.0 lb. (64.41 kg) | 69.0" (175.2 cm) |
How to get taller at 18?
Staying physically active is even more essential from childhood to grow and improve overall health. But taking it up even in adulthood can help you add a few inches to your height. Strength-building exercises, yoga, jumping rope, and biking all can help to increase your flexibility and grow a few inches taller.
Is 5.7 a good height for a 15 year old boy?
Generally speaking, the average height for 15 year olds girls is 62.9 inches (or 159.7 cm). On the other hand, teen boys at the age of 15 have a much higher average height, which is 67.0 inches (or 170.1 cm).
Can you grow between 16 and 18?
Most girls stop growing taller by age 14 or 15. However, after their early teenage growth spurt, boys continue gaining height at a gradual pace until around 18. Note that some kids will stop growing earlier and others may keep growing a year or two more.
Can you grow 1 cm after 17?
Even with a healthy diet, most people's height won't increase after age 18 to 20. The graph below shows the rate of growth from birth to age 20. As you can see, the growth lines fall to zero between ages 18 and 20 ( 7 , 8 ). The reason why your height stops increasing is your bones, specifically your growth plates.