3 years ago

Help me anyone please & thank you

Mathematics

1 answer:

viktelen [127]3 years ago

8 0

Answer: i'm pretty sure it's option A

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Can somebody step by step explain how to solve this problem??<br><br> (3x^2y)(-7xy^3)

charle [14.2K]

Answer:

$\boxed{\bold{-21x^3y^4}}$

Explanation:

[ Step One ] Remove Parenthesis: (a) = a

$\bold{-3x^2y\cdot \:7xy^3}$

[ Step Two ] Multiply: $\bold{3\cdot \:7=21}$

$\bold{-21x^2xy^3y}$

[ Step Three ] Apply Exponent Rule $\bold{\:a^b\cdot \:a^c=a^{b+c}: \ x^2x=\:x^{2+1}=\:x^3}$

$\bold{-21x^3y^3y}$

[ Step Four ] Apply Exponent Rule: $\bold{y^3y=\:y^{1+3}=\:y^4}$

$\bold{-21x^3y^4}$

[ $\boxed{\bold{Final \ Answer}}$ ]

➤ $\bold{-21x^3y^4}$

$\boxed{\bold{Mordancy}}$

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3 years ago

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Mazyrski [523]

Answer:

Me no espanol

Step-by-step explanation:

LOL

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during the 2011 season, a quarterback passed for 302 yards per game. he played in all 16 regular season games that year. how man

MariettaO [177]

302 times 16 because he passed 302 yards for every game 4832

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What is the GCF of two prime Numbers ??Give an example.

Dima020 [189]

Since prime numbers only have two factors (itself and 1) then it would have to be the same number. So it would be the number besides one. Ex. Prime number: 7, the GCF would be 7 if it was compared with itself.

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Cost per gallon is found by dividing the cost by the number of gallons.

$43.95/16.1 ≈ $2.7298137

Rounded to hundredths, this is $2.73.

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3 years ago