robinred03112
robinred03112
30-01-2016
Mathematics
contestada
Express 84 as product of primes
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taskmasters
taskmasters
30-01-2016
Primes are numbers that can only be divided by 1 and itself.
84 ÷ 2 = 42 ÷ 2 = 21 ÷ 3 = 7
2² x 3 x 7 = 84
2 x 2 x 3 x 7 = 84
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