${1.98}^{2} \times {3.14}^{2}\div8.85$
Convert the decimal into a fraction${1.98}^{2} \times {3.14}^{2}\div\frac{ 177 }{ 20 }$
Convert the decimal into a fraction${\left( \frac{ 99 }{ 50 } \right)}^{2} \times {3.14}^{2}\div\frac{ 177 }{ 20 }$
Convert the decimal into a fraction${\left( \frac{ 99 }{ 50 } \right)}^{2} \times {\left( \frac{ 157 }{ 50 } \right)}^{2}\div\frac{ 177 }{ 20 }$
To divide by a fraction, multiply by the reciprocal of that fraction${\left( \frac{ 99 }{ 50 } \right)}^{2} \times {\left( \frac{ 157 }{ 50 } \right)}^{2} \times \frac{ 20 }{ 177 }$
To raise a fraction to a power, raise the numerator and denominator to that power$\frac{ 9801 }{ 2500 } \times {\left( \frac{ 157 }{ 50 } \right)}^{2} \times \frac{ 20 }{ 177 }$
To raise a fraction to a power, raise the numerator and denominator to that power$\frac{ 9801 }{ 2500 } \times \frac{ 24649 }{ 2500 } \times \frac{ 20 }{ 177 }$
Cancel out the greatest common factor $20$$\frac{ 9801 }{ 125 } \times \frac{ 24649 }{ 2500 } \times \frac{ 1 }{ 177 }$
Cancel out the greatest common factor $3$$\frac{ 3267 }{ 125 } \times \frac{ 24649 }{ 2500 } \times \frac{ 1 }{ 59 }$
Multiply the fractions$\begin{align*}&\frac{ 80528283 }{ 18437500 } \\&\begin{array} { l }4 \frac{ 6778283 }{ 18437500 },& \approx4.36764\end{array}\end{align*}$