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12345 [234]
3 years ago
14

Please help me someone

Mathematics
1 answer:
posledela3 years ago
6 0
To solve this, you need to know three exponent rules:
1) Power of a product
Basically says (ab)^{2} =  a^{2}  b^{2}. This means a product raised to a power is the same as taking each factor to that power and multiplying them.

For example: (5a)^{2}  = 5^{2} a^{2}

2) Product of powers
Basically says a^{m}  a^{n} =  a^{m+n}. When two expressions with the same base (a) are multiplied, you can add their exponents while keeping the same base.

For example: a^{2}  a^{3} = a^{2+3} =  a^{5}

3) Power of a power
Basically says (a^{m})^{n} =  a^{m \times n}. When an exponent is being raised to a exponent, you can multiply the exponents.

For example: (a^{2})^{3} = a^{(2 \times 3)} =  a^{6}
----

Back to your problem:
You are asked to simplify (6x^{2} y)^{2} (y^{2})^{3}, Tackle it by simplifying both factors and then multiplying them together and simplifying again.

1) First use the power of a product rule to change (6x^{2} y)^{2} into 6^{2}  (x^{2})^{2}  y^{2}. Simplify it into 
36 x^{4}  y^{2} using the power of a power rule.

2) Simplify (y^{2})^{3} into y^{6} using the power of a power rule.

3) Multiply the simplified factors from part one and two and simplify using the product of powers rule:
(36 x^{4} y^{2})(y^{6})\\
= (36 x^{4})(y^{2} y^{6})\\
= (36 x^{4})(y^{2+6}) \\
= 36 x^{4}y^{8}

---

Answer: 36 x^{4}y^{8}
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