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Dmitriy789 [7]
3 years ago
6

Find the simplified form of the expression. Given your answer in scientific notation (8 x 10^4)(9 x 10^8)

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
6 0

(8 \times  {10}^{4} )(9 \times  {10}^{8} ) \\  = 8 \times 9 \times  {10}^{4}  \times  {10}^{8 }  \\  = 72 \times {10}^{4 + 8}  \\  = 7.2 \times 10 \times  {10}^{12}  \\  = 7.2 \times  {10}^{13}

This is the answer with step by step explanation

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4vir4ik [10]
Completely different...

.15*.15*.15*500

500(.15^3)=1.6875

500(.45)=225
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The radius of a circular track is 50 feet. How many feet of fencing
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314 feet of fencing
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The segments shown below could form a triangle,
Brrunno [24]

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False

Step-by-step explanation:

The lengths do not adhere to the triangle inequality theorem. Which states that the sum of the side lengths of any 2 sides of a triangle must exceed the length of the third side.

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путешествиники добирались до города 3 часа на автобусе 7 часов на поезде и 5 часов плили на лодке сколько всего часов они были в
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Answer:

Ответ - 15.

Step-by-step explanation:

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7 0
2 years ago
Which expression is equivalent to (x^2 -8) - (-2x^2+4)?​
Phoenix [80]

Answer:

D) 3x^2 - 12

Step-by-step explanation:

Using PEMDAS;

There is no need to evaluate the part of the equation (x^2 - 8) because is no need to, as it is already in its simplest form.

We must evaluate the part of the equation continuing with, "- (-2x^2+4)," as it is not in its simplest form.

Evaluating "- (-2x^2+4)":

Step 1: Distributing the negative

Once distributing the negative symbol amongst the values within the parenthesis according to PEMDAS, we get "2x^2 - 4" as the product.

Step 2: Consider the rest of the equation to evaluate

Since the part of the equation is still in play here as it is a part of the original equation to be solved, we must evaluate it as a whole to get the final answer.

Thus,

x^2 -8 + 2x^2 - 4 = ___

*we can remove the parenthesis as it has no purpose, since it makes no difference.

Evaluating for the answer, we get,

x^2+2x^2 + (-8 - 4) = 3x^2 - 12

Hence, the answer is D) 3x^2 - 12.

3 0
3 years ago
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