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2 years ago

Which expression below is equivalent to the expression: 12^3 x 12^9 x 12^4 x 12•2. (I NEED HELP HURRY)

Mathematics

2 answers:

timofeeve [1]2 years ago

7 0

Answer:

e or 12¹⁸

Step-by-step explanation:

Whitepunk [10]2 years ago

5 0

Answer:

12⁽¹⁸⁾

Step-by-step explanation:

The expression is given as ;

12³ × 12⁹× 12⁴× 12² -----same base, add the powers according to law of indices

12⁽³⁺⁹⁺⁴⁺²⁾

12⁽¹⁸⁾

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2 years ago

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Step-by-step explanation:

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3 years ago

Read 2 more answers

The arithmetic mean (average) of four numbers is 85. If the largest of these numbers is 97, find the mean of the remaining three

Margaret [11]

Answer:

Step-by-step explanation:

Let's do this systematically:

Four numbers: a, b, c, d

Whose mean is 85: $\frac{a + b + c + d}{4} = 85$

Whose largest number is 97: $\frac{a + b + c + 97}{4} = 85$

Lets solve for the other numbers:

a+b+c+97 = 85*4 = 340

340 - 97 = 243

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at this point it doesn't matter what the numbers are, they just need to add up to 243.

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