Question

find the value of 99 *101 in distributive property​

Answer 1

Answer:

99×101

99×(100+1)

99×100 + 99×1

9900 + 99

9999

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Answer 2

Answer:

99 can be written as (100-1)

101 can be written as (100+1)

NOW

$99 \times 101 \\ (100 - 1) \times (100 + 1) \\ (100) ^{2} - {1}^{2} \\ 10000 - 1 \\ 9999$

use formula

$(a + b) \times (a - b) = {a}^{2} - {b}^{2}$