Question

9. Estimate each of the following using general rule
(1) 842 +1245 (I) 19.643 - 13.775 () 2149 x 493
(iv) 5762-287 (v) 4398325 - 387​

Answer 1

Answer:

what is the general rule

Answer 2

Question:-

Estimate each of the following using general rule

(1) 842 +1245 (I) 19.643 - 13.775 () 2149 x 493

(iv) 5762-287 (v) 4398325 - 387

Answer :-

(1) 842+1245= 2,000

(2)19.653-13.775= 5.878

(3)2159×493= 10,50,000

(4)5762-287=20

(5)439+8325-387 =8,000

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