-7p^5(-q^-3) r^2

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A. -7p^5(-q^-3) r^2
B. -7r^2/p^5(q^3)
C. 7r^2/p^-5(q^3)
D. 7r^2/p^5(q^-3)

B. -7r^2/p^5(q^3)

Rewrite each expression: 2^4 x 2^6 x 2^2

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A- 2^8
B- 2^-12
C- 2^12
D- 2^-8

C. 2^12

Simplify the answer, Write in scientific notation: (5x10^4)(1x10^7)

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A- 50 x 10^10
B- 5 x 10 ^1
C- 5 x 10 ^-12
D- 5 x 10^11

D- 5 x 10^11

Write in scientific notation: 526,000,000

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A- 52.6 x 10^9
B- 5.26 x 10^10
C- 5.26 x 10^8
D- 526 x 10^6

B- 5.26 x 10^8

Write in correct scientific notation 0.009 x 10^13

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A- 0.09 x 10^15
B- 9 x 10^10
C- 9 x 10^12
D- 0.09 x 10 ^1

C- 9 x 10^12

Write each answer in Scientific notation 8x10^3 + 6.45 x 10^4

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48 x 10^7
4.8 x 10^7
72.5 x 10^4
7.25 x 10^4