How do u find what a percentage of a number would b

Ow do you round by tens

What number am I? My tens digit is double my ones digit. I am less than 70 and greater than 60

What number is ten times greater than 0.3

What is the volume of a sphere with a 21 cm diameter

A bakery sold some donuts before lunch. after lunch 18 more donuts were sold if 51 donuts were sold in all, how many donuts were sold before lunch? Create a model. at the end of each sentence, stop and add to or change your model as needed

Convert number from scientific notation to standard notation 3.9*10^-3

Write the following number in the standard form. 13450000000

For exponential functions of the form f (x) = c#, which of the following expressions is equal to f (3) = f (4) ? Click on the correct answer. f13•4) f (34) f (3+4)

A stack of sixty cards is placed next to a ruler, and the height of stack is measured to be 3 / 8 of an inch. How thick is one card?

I need some equations with the answers of x=12