Multiplication is the process of multiplying. The product of √10 and 7√20 is 70√2.
Multiplication is the process of multiplying, therefore, adding a number to itself for the number of times stated. For example, 3 × 4 means 3 is added to itself 4 times, and vice versa for the other number.
The product of √10 and 7√20 can be written as,
√10 × 7√20
= √10 × 7 × √20
= 7 × √10 × √20
= 7 × √(200)
= 7 × √(5×5×2×2×2)
= 7 × 10√2
= 70√2
Hence, The product of √10 and 7√20 is 70√2.
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