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Multiply (4.7 x 104) by (6.4 x 1015). Express your answer in scientific notation. A) 3.008 x 10^20 B) 3.008 x 10^60 C) 3.008 x 10^61 D) 30.08 x 10^19
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Multiply (4.7 x 104) by (6.4 x 1015). Express your answer in scientific notation.

A) 3.008 x 10^20
B) 3.008 x 10^60
C) 3.008 x 10^61
D) 30.08 x 10^19

User Xi Chen
by
8.0k points

2 Answers

4 votes
A) 3.008810^20 hopefully this work
User Dutchman
by
7.5k points
1 vote

we have


(4.7*10^(4))*(6.4*10^(15))

we know that


(4.7*10^(4))*(6.4*10^(15))=(4.7*6.4)*(10^(4)*10^(15))\\= 30.08*(10^((15+4)))\\=30.08*10^(19)\\=3.008*10^(20)

therefore

the answer is


3.008*10^(20)

User Kani
by
8.2k points
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