Question

estimate the product by rounding the number to nearest ten 35×45​

Answer 1

Answer:

The answer will be

=> 40 x 50 => 2000

Answer 2

Answer:

$35 \times 45$

$40 - 5 \times 40 + 5$

$40 {}^{2} - 5 {}^{2}$

$1600 - 25$

$1575$

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