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3 votes
(4.2 X 10 Power of four) X (2 x 10 Power of three)

2 Answers

4 votes

Answer:

(4.2*10^4)*(2*10^3)=8.4*10 power of 7

Explanation:

(4.2*10^4)*(2*10^3)

42000*2000

84,000,000

8.4*10^7

User Lev Leontev
by
5.1k points
3 votes

Answer:

(4.2 X 10,000) X (2 X 1,000)

42,000 X 2,000= 84,000,000

Explanation:

Hope this helps

User Nathan Xabedi
by
4.1k points