Exponents and Variables

What does the (E) in PEMDAS mean?

• experience

• exponents

• examples

• evidence

What is 4⁵ in expanded form?

• 5 x 5 x 5 x 5

• 4 x 4 x 4 x 4

• 5 x 5 x 5 x 5 x 5

• 4 x 4 x 4 x 4 x 4

What is the BASE and ANSWER to this problem 5²?

• Base 2, Answer 10

• Base 5, Answer 25

• Base 5, Answer 10

• Base 2, Answer 25

The exponent tells me...

• the answer

• the trick

• the number of times to multiply the base (factor)

• The number of days in a week

Evaluate m² if m = 7

• 9

• 14

• 49

• 51

Mathematical Equivalence

OFF

Mathematical Equivalence

OFF

A ________ is a letter or symbol used to represent a quantity that can change.

2³ + 4b - 3(b +2)

b=6

• 6

• 14

• 8

• 4

a letter used to represent a quantity that can change