Question

Find (2 × 104) − (3 × 103). A) 1.07 × 103 B) 1.07 × 104 C) 1.7 × 103 D) 1.7 × 104

Answer 1

2 * 104 = 208

3 * 103 = 309


208 - 309 = -101

Your answer is -101


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~ Zoe

Answer 2

`2 * 10^(4) - 3 * 10^(3) = 2 * 10^(4) -0.3 * 10^(4) = (2.0 -0.3) * 10^(4) = 1.7 * 10^(4)`

Selection D is appropriate.