Question

Estimate the products:

$518\times 19$

Answer 1

To estimate the product, we first round off the multiplier and the multiplicand to the nearest tens and then multiply the rounded numbers.

Given: $518\times 19$

So, $518$ rounded up to $520$ and $19$ is rounded up to $20$

$\Rightarrow 520\times 20$

$=10400$

Hence, the estimated product is $10400$.