Question

estimate the product and verify by actual calculation. a) 38 × 7
b) 45 × 67
c) 225 × 8
d) 62 × 78
e) 26 × 725
f) 602 × 145

Answer 1

A. 38×7
ans. (40×10)=400
B.45×67
ans. (50×70)=3500
C. 225×8
ans. (230×10)=2300
D. 62×78
ans. (60×80)=4800
E. 26×725
ans. (30×730)=21900
F. 602×145
ans. (600×150)=90000
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Answer 2

Vary Good App Answer is correct correct answer