PARCC Exponent 2

Question 1

What is the value of 3^4?

Accepted Answer

81

Answer

3^4 = 3×3×3×3 = 81.

Question 2

Simplify: x^5 · x^3

Accepted Answer

x^8

Answer

When multiplying like bases, add the exponents: 5+3=8.

Question 3

What does any nonzero number raised to the power of 0 equal?

Accepted Answer

1

Answer

Any nonzero number to the zero power equals 1.

Question 4

Simplify: (2^3)^2

Accepted Answer

2^6

Answer

Raising a power to a power multiplies the exponents: 3×2=6.

Question 5

What is 5^2 ÷ 5^2?

Accepted Answer

1

Answer

Dividing equal powers gives 5^0 = 1.

PARCC Practice Test