How do you write $6.5 times 10^-4$ in standard notation?

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Answer 1 · 2016-04-06T20:23:31

$6.5 xx 10^(-4) = 0.00065$

Note $10^0 = 1$

$6.5 xx 10^0 = 6.5$

$6.5 xx 10^(-1) = 0.65$

$6.5 xx 10^(-2) = 0.065$

$6.5 xx 10^(-3) = 0.0065$

$6.5 xx 10^(-4) = 0.00065$

each reduction of the exponent of $10$ moves the decimal point one position to the left.

How do you write 6.5 times 10^-46.5 times 10^-4 in standard notation?