3(2^2)-2(2^3)+5(2^5)

asked by guest
on Mar 23, 2025 at 2:21 pm



You asked:

Evaluate the expression: 3⋅22−2⋅23+5⋅253 \cdot {2}^{2} - 2 \cdot {2}^{3} + 5 \cdot {2}^{5}

MathBot Answer:

3⋅22−2⋅23+5⋅25=1563 \cdot {2}^{2} - 2 \cdot {2}^{3} + 5 \cdot {2}^{5} = 156

3⋅22−2⋅23+5⋅25=3⋅4−2⋅23+5⋅25=12−2⋅23+5⋅25=12−2⋅8+5⋅25=12−16+5⋅25=−4+5⋅25=−4+5⋅32=−4+160=156\begin{aligned}3 \cdot {2}^{2} - 2 \cdot {2}^{3} + 5 \cdot {2}^{5}&=3 \cdot 4 - 2 \cdot {2}^{3} + 5 \cdot {2}^{5}\\&=12 - 2 \cdot {2}^{3} + 5 \cdot {2}^{5}\\&=12 - 2 \cdot 8 + 5 \cdot {2}^{5}\\&=12 - 16 + 5 \cdot {2}^{5}\\&=-4 + 5 \cdot {2}^{5}\\&=-4 + 5 \cdot 32\\&=-4 + 160\\&=156\end{aligned}

+ Submit Question