10.5 can be written as (10 + 0.5) and 9.5 can be written as (10 – 0.5)
10.5 x 9.5 = (10 + 0.5)(10 – 0.5)
(10 + 0.5)(10 – 0.5) = (10)² - (0.5)²
(10 + 0.5)(10 – 0.5) = 100 – 0.25
(10 + 0.5)(10 – 0.5) = 99.75
10.5 x 9.5 = 99.75
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Verified answer
10.5 can be written as (10 + 0.5) and 9.5 can be written as (10 – 0.5)
10.5 x 9.5 = (10 + 0.5)(10 – 0.5)
(10 + 0.5)(10 – 0.5) = (10)² - (0.5)²
(10 + 0.5)(10 – 0.5) = 100 – 0.25
(10 + 0.5)(10 – 0.5) = 99.75
10.5 x 9.5 = 99.75
Hope it helps you.
Step-by-step explanation:
THE ANSWER IS 99.75
PLEASE MARK ME BRAINLISTED ANSWER