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
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