Choose the correct simplification of the expression the quantity:

a)

b)

c)

d)

A)

Step-by-step explanation:

Fraction raised to an exponent.

Rule: To raise a fraction to an exponent, raise the numerator and the denominator to the exponent.

Raising a power to a power.

Rule: To raise a power to a power, multiply the powers.

Your problem:

We follow the first rule and raise the numerator and the denominator to the 3rd power.

Now we follow the second rule for both the numerator and denominator, and raise a power to a power by multiplying exponents.

A)

one fourth of 9% = 2.25%

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

2.25%.