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LCM/Exponent Review Part 2
Test Description: This is additional practice on exponential rules and scientific notation.
Instructions: Answer all questions to get your test result.
1) Write 2,340,000 in scientific notation.
A
2.34 x 10^6
B
2.34 x 10^-6
C
23.4 x 10^-5
D
23.4 x 10^5
2) Write 0.00061 in scientific notation.
A
61 x 10^-5
B
6.1 x 10^4
C
61 x 10 ^5
D
6.1 x 10^-4
3) What is the LCM of 12 and 30?
A
30
B
120
C
90
D
60
4) What is the LCM of 4x and 3x^2?
A
24x
B
24x^2
C
12x
D
12x^2
5) What is the LCM of 10, 14, and 35?
A
140
B
70
C
35
D
280
6) What is 4,000,000^0?
A
0
B
1
C
4,000,000
D
None of the above
7) What is (4^2)(4^5)?
A
4^10
B
4^3
C
None of the above
D
4^7
8) What is 5^8/5^-3?
A
5^-24
B
5^24
C
5^5
D
5^11
9) What is (x^4)(x^7)?
A
x^28
B
x^3
C
x^1.75
D
x^11
10) What is c^-6/c^3
A
c^-18
B
c^9
C
c^3
D
c^-9
*select an answer for all questions
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