Question

Estimate and compare with the actual sum (a) 760+683 (b) 9,864+2,349 do answer with step by step​

Answer 1

Step-by-step explanation:

(a) 760+683

=1443

round of nearest hundred

800+700

=1500

comparing

=1500-1443

=57

(b) 9864+2349

=12213

round of nearest thousand

10000+2000

=12000

comparing

12213-12000

=213

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Answer 2

Answer:

a 57 b 4,213

Step-by-step explanation:

a 760+683=1443-1,500

round off 800+700=1,500

1,500-1,443=57

b 9,864+2,349=12,213-12,000

round off 10,000+2,000=12,000

12,213-12,000=213