
Exponents and Powers Quiz
Authored by Vinitha Rahman
Mathematics
8th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
How do we express 0.000007 in standard form?
7 × 10^-6
7 × 10^-5
7 × 10^-4
7 × 10^-7
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the value of 2^-3?
1/8
8
1/4
2
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
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
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
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
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the result of (3^-1) + (4^-1)?
1/3 + 1/4
1/12
3 + 4
1/7
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the value of 2^0?
2
0
Undefined
1
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the result of 3^2 × 3^-5 × 3^6?
3^0
3^3
3^-1
3^1
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