Math help please?
1. Look at the two monomials what is the least common multiple?
36x^4y^3
20xy^3
A) 4x^4y^3
B) 180x^4y^3
C) 180xy^3
D) 4xy^3
2. Look at the two monomials what is the least common multiple?
12uv^4w^3
20uvw^2
A) 4uv^4w^3
B) 60uvw^3
C) 4uvw^2
D) 60uv^4w^3
3.. Look at the two monomials what is the least common muliple?
12xy to the power of 4
20x^2^y2 z
A) 4xy^2
B) 60xy^2
C) 4x^2y^4
D) 60x^2y^4z
Favorite Answer
36x^4y^3 = 2^2 * 3^2 * x^4 * y^3
20xy^3 = 2^2 * 5 * x * y^3
LCM = 2^2 * 5 * 3^2 * x^4 * y^3 = 180x^4y^3
So your answer is B
2)
12uv^4w^3 = 3 * 2^2 * u * v^4 * w^3
20uvw^2 = 5 * 2^2 * u * v * w^2
LCM = 3 * 5 * 2^2 * u * v^4 * w^3 = 60uv^4w^3
So your answer is D
3)
12xy^4 = 3 * 2^2 * x * y^4
20x^2y^2z = 5 * 2^2 * x^2 * y^2 * z
LCM = 3 * 5 * 2^2 * x^2 * y^4 * z = 60x^2y^4z
So your answer is D
Basically, to find the least common multiple, break each term to its most simplified form, then from the two terms, pick all the unique parts with the highest power.
I hope this helped
Kia
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