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nirvana33 [79]
3 years ago
13

Choose the correct simplification of the expression a2 ⋅ a3. a a6 a5 a−1

Mathematics
2 answers:
KatRina [158]3 years ago
5 0

Answer:the answer would be a^5 I just took the test and got it right!

alina1380 [7]3 years ago
3 0

Answer:  The correct option is (C) a^5.

Step-by-step explanation:  We are given to choose the correct simplification for the following expression :

P=a^2.a^3~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)

We will be using the following property of exponents :

x^a.x^b=x^{a+b}.

So, the simplification of expression (i) is as follows :

P\\\\=a^2.a^3\\\\=a^{2+3}\\\\=a^5.

Thus, the correct simplification of the given expression is a^5.

Option (C) is CORRECT.

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Which of these choices is the best estimate for the answer of 3 1/4 + (-2 2/3)?
Evgesh-ka [11]
3 1/4 = 3.25
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3.25 + (- 2.6667)
= 3.25 - 2.6667
= ~0.58
therefore best estimate is 0
6 0
3 years ago
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Subtract. (−8.3x+4)−(3.2x−5) Enter your answer, in simplified form, in the box.
lesya692 [45]
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gavin and marco each have equal sized pieces of rope. gavin uses 1/4 of his rope for an art project. marco uses 1/8 of his rope
marissa [1.9K]

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Step-by-step explanation:

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5 0
3 years ago
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insens350 [35]

Answer:

  n = 19.89694

Step-by-step explanation:

You can work the problem using decimal numbers. There is no need to convert everything to integers. Trying to do so just gets you in trouble.

Subtract 2.2 from both sides:

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Now, multiply both sides by -5.53:

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_____

The one rule that cannot be violated in algebra is that <em>you must do the same thing to both sides of the equation</em>.

_____

Your "solution" so far has a couple of errors. The first is that you have apparently multiplied all of the numbers by 1000. Unfortunately, when you multiply a denominator by 1000, it is the same as dividing by 1000. So, you have multiplied the left side by 1000, multiplied one term on the right by 1000 and divided another term on the right by 1000. This turns the equation into something different than what you started with, and will give a wrong answer.

The second error is that you have subtracted 2200 only from the right side. This, too, will turn the equation into something different than what you started with, and will give a wrong answer.

7 0
3 years ago
7 is what % of 100? i'm really confused on this
adelina 88 [10]

Answer:

7%

Step-by-step explanation:

Since percentages are out of 100. (Cent=100) Therefore 7/100 is 7%.

6 0
3 years ago
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