1. Which is the base in the exponential expression 20⁴?
A. 20
B. 24
C. 4
D. 42

2. In an exponential nation, why does the base tell us?

A. It is the number they is being multiplied repeatedly

B. It is the number that is being added repeatedly

C. It tells the number of times the exponent is multiplied

D. It tells the number of times the exponent is added

3. What is the first step in solving a problem using GEMDAS rule?

A. Addition
B. Subtraction
C. Multiplication
D. Perform the operation inside the parenthesis

4. Evaluate the expression (24 -- 9) + (12 -- 7) x 3² using GEMDAS rule.
A. 60
B. 120
C. 150
D. 180

Right answers only please I need this ASAP :c

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