Convert 16 over 25 into a percentage ?

Percentages are /100 and 25 goes into 100 4 times so because we times the bottom of the fraction (25) by 4 to get 100, we times the top too, by 4 to get the value of %
16 x 4 = 64
16/25 = 64%
Hope this helps :)

a - base

b - exponent

so,

the base is 8the exponent is 3the exponent tells you to multiply 8 together three timesthe expanded form is 8*8*8