How do you multiply $5.0 xx 10^8$ by $2.9 xx 10^2$ in scientific notation?

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Answer 1 · 2015-08-09T23:05:59

$(5.0 xx 10^8) * (2.9 xx 10^2) = (5.0*2.9) xx 10^(8+2)$

$= 14.5 xx 10^10 = 1.45 xx 10^11$

Use $a^b * a^c = a^(b+c)$

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