Question

By rounding to 1 significant figure, estimate the answers to these questions a) 78 x 92
B) 615 x 38
C) 423 x 764

Answer 1

Answer:

A ) 78 ×92

ans : 7176

B ) 615 ×38

ans : 472920

C ) 423 × 764

ans : 323172

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Answer 2

Answer:

1. 7200

2. 24000

3. 320000

Step-by-step explanation:

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