Question

Estimate 25,148 + 7394 + 9343 +752 by using general rule.

Answer 1

Answer:

25148 + 7394 + 9343 + 752

Using general rule..

• 25148 = 25000
• 7394 = 7400
• 9343 = 9300
• 752 =750

Estimate product = 25000 + 7400 + 9300 + 750

= 32400 + 9300 + 750

= 41700 + 750

= 42450

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Answer 2

Answer:

42,650

Step-by-step explanation:

To Find :- Estimate value of 25,148 + 7394 + 9343 +752

Solution :-

The given numbers are 25148, 7394, 9343, 752

25148 - Rounding the ten's and one's place digit i.e. 48 to 50.

7394 - Rounding the one's pace digit 4 to 0, since 4 < 0. Rounding off ten's place digit 9 to 0 and incrementing hundred's place digit by 1. So, the number becomes 7400.

9343 - Rounding off ten's and one's place digits by rounding off 43 to 50.

752 - Rounding off one's place digit 2 to 0, since 2 < 5.

Now adding all the rounded numbers together, we get

 25150 + 7400 + 9350 + 750

= 42,650

Therefore, estimate value is 42,650

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