Math, asked by dharmender1779, 8 months ago

Estimate the
following by rounding off
each number.
439 + 334 + 4,317
8,325 - 491
1,08, 134-47,599 898 8785
9x795
87x317

Answers

Answered by dysm30530

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439 + 334 + 4,317

Rounding off 439 to the nearest hundreds, we get 400

Rounding off 334 to the nearest hundreds, we get 300

And, rounding off 4,317 to the nearest hundreds, we get 4,300

Therefore, 400 + 300 + 4,300 = 5,000

It means that answer is equal to 5,000 when we round off different terms to the nearest hundreds.

Rounding off 439 to the nearest tens, we get 440

Rounding off 334 to the nearest tens, we get 330

And, rounding off 4,317 to the nearest tens, we get 4,320

Therefore, 440 + 330 + 4,320 = 5,090

It means that answer is equal to 5,090 when we round off different terms to the nearest tens.

Solution (b)

1,08,734 – 47,599

Rounding off 1,08,734 to the nearest hundreds, we get 1,08,700

And rounding off 47,599 to the nearest hundreds, we get 47,600

Therefore, 1,08,700-47,600=61,100

It means that answer is equal to 61,100 when we round off the terms to the nearest hundreds.

Rounding off 1,08,734 to the nearest tens, we get 1,08,730

And rounding off 47,599 to the nearest tens, we get 47,600

Therefore, 1,08,730-47,600=61,130

It means that answer is equal to 61,130 when we round off terms to the nearest tens.

Solution (c)

8,325 – 491

Rounding off 8,325 to the nearest hundreds, we get 8,300

And, rounding off 491 to the nearest hundreds, we get 500

Therefore, 8,300-500=7,800

It means that answer is equal to 7,800 when we round off terms to the nearest hundreds.

Rounding off 8,325 to the nearest tens, we get 8,330

And, rounding off 491 to the nearest tens, we get 490

Therefore, 8,330-490=7,840

It means that answer is equal to 7,840 when we round off terms to the nearest tens.

Solution (d)

4,89,348 – 48,365

Rounding off 4,89,348 to the nearest hundreds, we get 4,89,300

And, rounding off 48,365 to the nearest hundreds, we get 48,400

Therefore, 4,89,300-48,400=4,40,900

It means that answer is equal to 4,40,900 when we round off terms to the nearest hundreds.

Rounding off 4,89,348 to the nearest tens, we get 4,89,350

And, rounding off 48,365 to the nearest tens, we get 48,370

Therefore, 4,89,350-48,370=4,40,980

Answered by ronaldoChristiano

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