How does a cube root differ from finding a square root of a positive integer

The square root of a number "n" is a number that when mutiplied by itself returns "n'

The cube root of  number "n" is a number that when multiplied together three times equals "n"

Example

√64 = 8     because 8*8 = 64

3√64 = 4    because 4*4*4 = 64

d (5 x (-20)) * (100 x (0.7))

step-by-step explanation:

5÷1/100 * -.7 *-20

copy dot flip

5*100 * -.7 *-20

rearrange

5*-20   * 100 *-.7

-100   *-70

7000

one fourth of 9% = 2.25%

gavin is correct in saying : the equivalent quarterly interest rate would be

2.25%.