Exponents and Powers Quiz

How do we express 0.000007 in standard form?

• 7 × 10^-6

• 7 × 10^-5

• 7 × 10^-4

• 7 × 10^-7

What is the value of 2^-3?

• 1/8

• 8

• 1/4

• 2

Which of the following is a law of exponents?

• a^m × a^n = a^(m+n)

• a^m + a^n = a^(m-n)

• a^m ÷ a^n = a^(m+n)

• a^0 = a

How can we represent 256.78 in expanded form using powers of ten?

• 2 × 10^2 + 5 × 10^1 + 6 × 10^0 + 7 × 10^-1 + 8 × 10^-2

• 2 × 10^3 + 5 × 10^2 + 6 × 10^0 + 7 × 10^-1 + 8 × 10^-2

• 2 × 10^4 + 5 × 10^3 + 6 × 10^2 + 7 × 10^1 + 8 × 10^0

• 2 × 10^3 + 5 × 10^2 + 6 × 10^1 + 7 × 10^0 + 8 × 10^-1

What is the result of (3^-1) + (4^-1)?

• 1/3 + 1/4

• 1/12

• 3 + 4

• 1/7

What is the value of 2^0?

• 2

• 0

• Undefined

• 1

What is the result of 3^2 × 3^-5 × 3^6?

• 3^0

• 3^3

• 3^-1

• 3^1

What is the value of (2)^-4 × (1)^-4?

• 1/16

• 1/27

• 1/32

• 16

What is the value of 10^3 ÷ 10^5?

• 10^0

• 10^-2

• 10^2

• 10^8

What is the value of (2^2)^3?

• 2^3

• 2^4

• 2^5

• 2^6