Math, asked by amitpalikacool71, 8 months ago

Estimate the numbers to the nearest tens and find the sum. Verify by actual addition.

a) 23 + 78
b) 289 + 135

Answers

Answered by neelubhargava

0

Answer:a ) 20 + 80 =100

B) 290+140=430

Step-by-step explanation:

Answered by adrikabandyopadhyay

1

Answer:

Step-by-step explanation:

a) 23+78

= 20+80 = 100.

b) 289+135

= 290+140 =430.

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