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Grade:
7
, Subject:
Math
, Topic:
Exponents and Powers Exponents
Question 1:
When you are dividing terms with the same base you ________ the exponents.
subtract
add
multiply
divide
Question 2:
How do you write the following expression using a base and exponent?
−2 × −2 × −2 × −2 × −2
−2
^{5}
(−2)
^{5}
−2
^{4}
2
^{−5}
Question 3:
How do you write the following expression in exponential form?
5 × r × r × r × p
5r
^{2}
p
r
^{3}
p
3r
^{5}
p
5r
^{3}
p
Question 4:
4 • 4 • 4 • m • m • m = _____?
4
^{3}
m
^{3}
4
^{2}
m
^{3}
4
^{3}
3m
4
^{3}
2m
^{3}
Question 5:
5
^{2}
+ 3
^{2}
= ?
25
34
64
4,096
Question 6:
When you are multiplying terms with the same base you ________ the exponents.
subtract
multiply
add
divide
Question 7:
Evaluate:
7
^{−5}
7
^{13}
7
^{5}
7
^{6}
Question 8:
(x
^{2}
)* (x
^{3}
)= ?
x
^{6}
x
^{8}
x
x
^{5}
Question 9:
Evaluate:
6
^{5}
÷ 6
^{3}
6
6
^{8}
6
^{−2}
6
^{2}
Question 10:
Type "A" bacteria population doubles every one minute. There are 100 bacteria in a dish. Which expression shows the number of bacteria in 5 minutes?
2
^{5}
+ 100
2 × 100
^{5}
100 × 2
^{5}
100 × 5
^{2}
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