How do you write $1.98 x 10^ -4$ in standard form?

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Answer 1 · 2017-05-27T17:42:53

Because the exponent of the 10s term is negative we need to move the decimal place 4 places to the left:

$1.98 xx 10^-4 = 0.000198$

How do you write 1.98 x 10^ -41.98 x 10^ -4 in standard form?