4÷10²×27+9⁷-2×8⁹

asked by guest
on Jan 14, 2025 at 1:55 am



You asked:

Evaluate the expression: 410227+97289\frac{4}{{10}^{2}} \cdot 27 + {9}^{7} - 2 \cdot {8}^{9}

MathBot Answer:

410227+97289=659131214825=263652485.92\frac{4}{{10}^{2}} \cdot 27 + {9}^{7} - 2 \cdot {8}^{9} = - \frac{6591312148}{25} = -263652485.92


410227+97289=410027+97289=12527+97289=2725+97289=2725+4782969289=11957425225289=119574252252134217728=11957425225268435456=659131214825\begin{aligned}\frac{4}{{10}^{2}} \cdot 27 + {9}^{7} - 2 \cdot {8}^{9}&=\frac{4}{100} \cdot 27 + {9}^{7} - 2 \cdot {8}^{9}\\&=\frac{1}{25} \cdot 27 + {9}^{7} - 2 \cdot {8}^{9}\\&=\frac{27}{25} + {9}^{7} - 2 \cdot {8}^{9}\\&=\frac{27}{25} + 4782969 - 2 \cdot {8}^{9}\\&=\frac{119574252}{25} - 2 \cdot {8}^{9}\\&=\frac{119574252}{25} - 2 \cdot 134217728\\&=\frac{119574252}{25} - 268435456\\&=\frac{-6591312148}{25}\end{aligned}