Help scientific notation?

2016-06-09 6:54 pm
(2.0 x 10^10) X (3.4 x 10^6)=

(5.0 x 10^8) X (2.0 x 10^4)=

Thanks

回答 (2)

2016-06-09 7:16 pm
1. (2)(3.4)*(10^(10+6)) = 6.8*10^16

2. (5)(2)*(10^(8+4)) = 10*10^12 = 1.0*10^13
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The proper number of significant figures in the result will be 2 in each case, if these are measurements. Your calculator should give these same results.
2016-06-09 7:12 pm
(2.0 * 10^10)*(3.4 * 10^6) = 6.8 * 10^16
(5.0 * 10^8) * (2.0 * 10^4) = 1.0 * 10^13


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