70
You would multiply 12x5, and then just add a zero. The answer is 600.
You can, if you wish.
The answer depends on the equation. Very few people, if any, can use mental maths to find the value of n in logpi/7(3e) = 95.3. I would not even try!
use mental math
1800
Mental math! aka in ur head
you would take your numerator in fraction and put it behind your decimal
optometrist use math 36 topics like subtracting adding mental math triangles and much more!
Multiplying by 10 is simply sliding the decimal one place to the right. 5.2 * 10 = 52 Use mental floss to prevent decay of your morals. ■
yes
m = 2 because the 63 element cancels each other out