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27 votes
27 votes
2*10⁴-7³ please help

User Zeantsoi
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1 Answer

12 votes
12 votes

We are given the expression

2 x 10^4 - 7^2

2 x10^4 = 2 x 10 x 10 x 10 x 10

2 x 10^4 = 2 x 10000

2 x 10^4 = 20000

20000 - 7^2

7^2 = 7 x 7

7^2 = 49

20000 - 49

= 19, 951

= 1.9951 x 10^4

The answer is 1.9951 x10^4

User Chris Tetreault
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