Find the product of 0.0409 and 0.0021 leaving your answer...
Find the product of 0.0409 and 0.0021 leaving your answer in the standard form
8.6 x 10-6
8.6 x 105
8.6 x 10-4
8.6 x 10-5
Correct answer is D
0.0409 x 0.0021 = 409 x 10\(^{-4}\) x 21 x 10\(^{-4}\)
= 409 x 21 x 10\(^{-4 * -4}\)
= 8589 x 10\(^{-8}\)
= 8.589 x 10\(^{3}\) x 10\(^{-8}\)
= 8.6 x 10\(^{3-8}\)
= 8.6 x 10\(^{-5}\)
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