Estimate the product and verify by actual calculation. a) 38 × 7b) 45 × 67c) 225 × 8d) 62 × 78e) 26 × 725f) 602 × 145
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a. 38×7 = 40×10=400
b. 45×67= 40×70= 2800
c. 225×8=220×10= 2200
d 62×78= 60×80=4800
e. 26×725=30×720=21600
f. 602× 145= 600× 140= 84000
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