Find the value of (0.006)3 + (0.004)3 in standard form

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Mathematics JAMB 1997

Find the value of (0.006)3 + (0.004)3 in standard form

  • 2.8 x 10-9
  • 2.8 x 10-7 checkmark
  • 2.8 x 10-8
  • 2.8 x 10-6

The correct answer is: B

Explanation

(0.006)3 + (0.004)3 = 2.16 x 10-7

(2.16 + 0.64) x 10-7

= 2.8 x 10-7
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