Question
Simplify the following expression: 288 ÷ 12 x 6
+ 56 x √4 - 676 ÷ 4Solution
288 ÷ 12 x 6 + 56 x √4 - 676 ÷ 4
= 24 x 6 + 56 x 2 - 169
= 144 + 112 - 169 = 87
Find the unit digit of the expression: 7! + 8! + 9! + 10! + ........ + 500!.
A number is initially increased by 37.5% and then reduced by 40%. The final value obtained after these changes is 6,270. Determine 80% of the original n...
103² + 75² - 25² =?
Find the number of factors of 80?
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