Math, asked by ullakulakrishna7, 5 months ago

simplify the following without multiplying 102×21

Answers

Answered by ariyananshumanbehera

4

Answer:

2142

Step-by-step explanation:

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Answered by aishikag12

5

Answer:

2142

Step-by-step explanation:

102 × 21 = 102 × (20 + 1)

102 × 20 = 2040

102 × 01 = 102

Hence, 102 × 21 = 2040 + 102 = 2142

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