70.5k views
1 vote
Multiply (4.7 x 104) by (6.4 x 1015). Express your answer in scientific notation.

User Dezi
by
8.0k points

2 Answers

4 votes
(4.7 x 10^4) by (6.4 x 10^15)

4.7 * 6.4 = 30.08
10^4 * 10^15 = 10^19

so
(4.7 x 10^4) by (6.4 x 10^15)
= 30.08 x 10^19
= 3.008 x 10^20

answer: 3.008 x 10^20 in scientific notation.
User Architect Jamie
by
7.8k points
0 votes
the answer will be 3.008 x 10^20
User Brian Hsu
by
7.9k points