Question

True or false?

(b^5)^2 = b^7

Answer 1

False. The rule for exponents raised to another exponent is:

(a^b)^c=a^(bc)

You add the exponents only when you are multiplying similar bases with exponents:

(a^b)*(a^c)=a^(b+c)

Answer 2

the answer to this is false