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Row $1$: Your answer has the wrong number of significant digits.

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Multiply or divide the following measurements. Be sure each answer you enter contains the correct number of significant digits.

$93\mathrm{.}4\frac{g}{mL}93.mL=86\mathrm{.}9{10}^{2}g$

$280\mathrm{.}5$mol$63\mathrm{.}92L=4\mathrm{.}390\frac{\text{m}\text{o}\text{l}}{L}$

$996\mathrm{.}9m0\mathrm{.}70s=8\mathrm{.}5{10}^4\frac{m}{s}$