21.69*21.69

asked by guest
on Jan 12, 2025 at 11:16 am



You asked:

Evaluate the expression: \(21.69 \cdot 21.69\)

MathBot Answer:

\[21.69 \cdot 21.69 = \frac{4704561}{10000} = 470.4561\]

\[\begin{aligned}21.69 \cdot 21.69& = \left(21 + \frac{69}{100}\right) \cdot \left(21 + \frac{69}{100}\right)\\& = \frac{2169}{100} \cdot \left(21 + \frac{69}{100}\right)\\& = \frac{2169}{100} \cdot \frac{2169}{100}\\& = \frac{4704561}{10000}\end{aligned}\]

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