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What is 1 10^ - 3 10^ equal to?

Options

  1. A0
  2. B1
  3. C2
  4. D4

Correct answer

D. 4

Step-by-step solution

aligned & 1 10^ - 3 10^ = 10^ - 3 10^ 10^ 10^ & = 2 2 [ 1 2 10^ - 3 2 10^ ] 2 10^ 10^ & = 4 ( 60^ 10^ - 60^ 10^ ) 20^ & = 4 (60^ +10^ ) 20^ =4 70^ 20^ =4 20^ 20^ =4 aligned

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