Exponents Review for 8th Grade

What happens to the exponents when two terms with the same base are multiplied?

• Exponents are divided

• Exponents are subtracted

• Exponents are added

• Exponents are multiplied

What is the result of any number raised to the zero power?

• The result is zero

• The result is undefined

• The result is one

• The result is the base itself

How do you simplify an expression with a negative exponent?

• Flip the base to the denominator and make the exponent positive

• Multiply the base by itself as indicated by the exponent

• Subtract the exponent from the base

• Add the exponent to the base

What does a negative exponent indicate in terms of fraction notation?

• The term becomes the numerator

• The exponent is ignored

• The term is undefined

• The term becomes the denominator

How do you convert a large number into scientific notation?

• Subtract the largest possible power of 10 from the number

• Add zeros to the number until it reaches a new base

• Multiply the number by 10 until it's between 1 and 10, then divide by 10 raised to the number of multiplications

• Divide the number by 10 until it's between 1 and 10, then multiply by 10 raised to the number of divisions

What is the standard form of a number expressed in scientific notation 9.7 x 10^-2?

• 97

• 0.0097

• 0.097

• 970

If you have the expression 4^2 + 6^2, what is the result?

• 100

• 36

• 20

• 52

What is the simplified form of (x^3)^5?

• x^15

• x^8

• x^10

• x^2

How do you handle a division of exponents with the same base, like a^m / a^n?

• Multiply the exponents (m*n)

• Divide the exponents (m/n)

• Add the exponents (m+n)

• Subtract the exponents (m-n)

What is the value of 2^3 * 2^4?

• 2^12

• 2^7

• 16

• 8