Question

evalute:9.3×8.7 , using identify
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Answer 1

Answer:

80. 91

Step-by-step explanation:

we have to first. multiple like this

9.3

8.7

80.91 answer

Answer 2

Answer:

Step-by-step explanation:

9.3 × 8.7

= (9 + 0.3)(9-0.3)

= 9² – 0.3²

= 81 – 0.09

= 80.91