178.5*21

asked by guest
on Jan 28, 2025 at 2:37 pm



You asked:

Evaluate the expression: 178.521178.5 \cdot 21

MathBot Answer:

178.521=74972=3748.5178.5 \cdot 21 = \frac{7497}{2} = 3748.5


178.521=(178+510)21=(178+12)21=357221=74972\begin{aligned}178.5 \cdot 21& = \left(178 + \frac{5}{10}\right) \cdot 21\\& = \left(178 + \frac{1}{2}\right) \cdot 21\\& = \frac{357}{2} \cdot 21\\& = \frac{7497}{2}\end{aligned}