Estimate the following as indicated: es...

Estimate the following as indicated:
estimating each term to the nearest 1000
(i) `6890-3132` (ii) `5296+8611`
(iii) `4235-2444` (iv) `7654+3999`

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The correct Answer is:

i. 4000 ii. 14000 iii. 2000 iv 12000

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