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How do you simplify #(3.67 x 10^12) ÷ (2.1 x 10^5)#?

1 Answer

Mar 30, 2015

Re-group and handle the coefficients and the exponents separately.

#(3.67xx10^12) div (2.1xx10^5)#
can be rewritten as
#(3.67)/(2.1) xx (10^(12))/(10^5)#

#(3.67)/(2.1) = 1.75# (to 3 digit accuracy)

and

#(10^12)/(10^5) = 10^7#

so
#(3.67xx10^12) div (2.1xx10^5) = 1.75xx10^5#

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