prime factorize:
242
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2 121
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11 11
8
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2 4
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2 2
so, 242=2*11*11 and 8=2*2*2
2*2*2*2*11*11=1936
(proof: if you multiply 242 and 8, you'll also get 1936)
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The associate property says that if you multiply three numbers, it doesn't matter which you multiply first - the right part, or the left part. In symbols: for any three numbers a, b, and c, (a x b) x c = a x (b x c).
Example of multiplying whole decimal numbers: 2.37 × 3.56 = 8.4372 Remove the decimal point and multiply as for whole numbers: 237 × 356 = 84372 Then add the decimal point, thus : 8.4372
-15.299999999999999
Multiplying is simply adding one of the numbers together a certain number of times. How many times depends on the numbers.In this case you can add 3+3+3+3+3+3+3+3+3 (nine times) or add 9+9+9 (three times)You will get the same answer.
You multiply both the numerator and denominator my the complex conjugate of the denominator. For example if you have. a+bi/c+di you would multiply both the top and bottom by c-di. This is in effect multiplying by 1.