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18
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Express the product factor of 18?
2x3x3=18
What is the gcf of 18 and 16 in math?
The GCF is 2. The prime factorization of 18 is 2x3x3 and the prime factorization of 16 is 2x2x2x2. They both have one 2 in common so that would be the greatest common factor.
What is the LCM of 18 20 and 30?
To find the lowest common multiple for numbers, prime factor each the use each prime number the number of times it appeared the most in each number. 18=2x3x3 20=2x2x5 30=2x3x5 lcm=2x2x3x3x5=180
How would you estimate the area of a baked cake in a circular pan?
2 X 3.14 X radius2 + 2 X radius X heigth radius is 1/2 the diameter Example: cake pan 6" diameter by 3" tall 2x3.14x32+2x3x3=74.52sq. inches
Can 12 over 18 be reduced?
Yes, 12/18 can be reduced : (divide both by 2) it turns into 6/9 then (divide both by 3) into 2/3. Reduction is the division of both numerator and denominator by the same term (one of the 'factors', integer constituents, of both numbers). For even numbers, divide both by 2 until one or both become odd, then attempt higher numerical factors (3, 5, 7, etc.). 12 = 2x2x3 and 18 = 2x3x3 / common factors are one 2 and one 3. Dividing numerator and denominator by 6 will yield the reduced value 2/3.
