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Mathematics 19 Online
OpenStudy (anonymous):

Match each expression with its solution. Match Term Definition three hundred divided by fifteen times two minus the quantity one plus three raised to the third power, end quantity A) twelve three hundred divided by the quantity fifteen times two, end quantity, minus one plus three raised to the third power B) sixty‾six three hundred divided by fifteen times the quantity two minus one, end quantity, plus three raised to the third power C) thirty‾six three hundred divided by fifteen times two minus one plus three raised to the third power D) forty‾seven

OpenStudy (anonymous):

OpenStudy (igreen):

Okay, let's do the first one.

OpenStudy (anonymous):

@texaschic

OpenStudy (anonymous):

b

OpenStudy (anonymous):

its b

OpenStudy (anonymous):

i really need help with this one

OpenStudy (igreen):

\(300 \div 15 ⋅ 2 - (1 + 3^3)\) Exponent: \(300 \div 15 ⋅ 2 - (1 + 27)\) Parenthesis, add: \(300 \div 15 ⋅ 2 - 28\) Division: \(20 ⋅ 2 - 28\) Multiplication: \(40 - 28\) Subtraction: \(12\)

OpenStudy (igreen):

So the first one is A.

OpenStudy (igreen):

If you're seeing these: "����������", then click on a different post and click back, it will be normal.

OpenStudy (igreen):

\(300 \div (15 ⋅ 2) - 1 + 3^3\) Parenthesis, Multiplication: \(300 \div 30 - 1 + 3^3\) Exponent: \(300 \div 30 - 1 + 27\) Divide: \(10 - 1 + 27\) Subtract: \(9 + 27\) Add: \(36\)

OpenStudy (igreen):

So the 2nd one is C.

OpenStudy (igreen):

\(300 \div 15 ⋅ (2 - 1) + 3^3\) Parenthesis, subtract: \(300 \div 15 ⋅ 1 + 3^3\) Exponent: \(300 \div 15 ⋅ 1 + 27\) Divide: \(20 ⋅ 1 + 27\) Multiply: \(20 + 27\) Add: \(47\)

OpenStudy (igreen):

So the third one is D. Which means the fourth one must be B.

OpenStudy (igreen):

Welcome to Open Study! You can give medals by clicking 'Best Response'. @izzyoct

OpenStudy (anonymous):

thank you so much! @iGreen

OpenStudy (igreen):

No problem.

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