How do you multiply #(3.810^4)(5.510^-1)#?

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How do you multiply #(3.810^4)(5.510^-1)#?

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Answer 1 · 2015-04-14T01:44:47

Multiply separately:
#3.8xx5.5=20.9#
and #10^4xx10^-1=# remembering that #a^mxxa^n=a^(m+n)#
So you get: #10^4xx10^-1=10^(4-1)=10^3#
Finally you get:
#20.9xx10^3=2.09xx10^4# moving the point to the left and adding 1 to the exponent of #10#.

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How do you multiply #(3.810^4)(5.510^-1)#?

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