Proper Decimal Place, Please Help
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Proper Decimal Place, Please Help

[From: ] [author: ] [Date: 11-08-25] [Hit: ]
11 x 10^-4) + (0.My answer: 3.Is my answer correct?-(0.61 x 10^-6) + (0.11 x 10^-4) + (0.......
Express each answer to the proper decimal place.

(0.61 x 10^-6) + (0.11 x 10^-4) + (0.0232 x 10^-3)

My answer: 3.5 x 10^-5

Is my answer correct?

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(0.61 x 10^-6) + (0.11 x 10^-4) + (0.0232 x 10^-3)
10^-3 [ 0.61 * 10^-3 + 0.011 + 0.0232 ] =
10^-3 *[0.00061 + 0.011 + 0.0232 =
0.035 * 10^-3 = 3.5 * 10^-5
ur answer is correct

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Using Significant Figures the answer would be 3.481x10^-5. If rounding to the nearest 10th of a unit, your answer would be correct.
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