Question

estimate the product by rounding off number to nearest hundred 509 x 179​

Answer 1

1,00,000

Step-by-step explanation:

Given that,

509 * 179

We need to round them off to the nearest hundred.

509

Since the number 5(on hundreds place) is to be rounded off, we need to look at the number followed by it i.e. '0'. Hence, it will be rounded down.

∵ Value of 509 after rounding it off to nearest hundred = 500

179,

Since the number 1(on hundreds place) is to be rounded off, we need to look at the number followed by it i.e. '7'. Hence, it will be rounded up.

∵ Value of 179 after rounding it off to nearest hundred = 200

Thus, the product after rounding off

= 500 * 200

= 1,00,000

Learn more: Round off

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