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Earn +20 ptsQ: Why are numbers grouped into three's?
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How do you write 0.45 million rupees?
Rs 450000 or Rs 4,50,000 (note that the digits are NOT grouped in threes).
What is the Lowest Common Multiple of 45 and 81?
Prime factor the 2.45 = 9x5 = 3x3x581 = 9x9 = 3x3x3x3Your LCM will contain all the multiples of both numbers. 45 has 2 threes and 1 five. 81 has 3 threes. Together you need 4 threes and 1 five to cover both numbers. Therefore your LCM = 3x3x3x3x5 = 405.
How can you make 37 using 4 threes?
It wouldn't possible. You would need other numbers.
How many threes are in 81?
27 threes are in 81
What numbers would you write to have the probability of having a 3 is one third?
any three numbers as long as there is only one 3.(Or you could have two threes in 6 numbers,three in 9 etc.)
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