How do you express $1.5 \times 10^{- 4}$ $1.5 times10^-4$ in standard form?

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Answer 1 · 2017-08-30T12:10:10

Because the 10s term is negative we must move the decimal point 4 places to the left:
$1.5 \times 10^{- 4} = 0.00015$ $1.5 xx 10^-4 = 0.00015$

How do you express 1.5 times10^-41.5×10−41.5 times10^-4 in standard form?