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densk [106]
3 years ago
10

Is the number 3.1x10^-5 written in scientific notation? Why or why not?​

Mathematics
1 answer:
kumpel [21]3 years ago
7 0

Answer: no it is not

Step-by-step: you can not have a negative exponent so the answer would be 3.1 x1/10^5

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5,874,589,152,000 mi.

Step-by-step explanation:

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A 14.5-gallon gasoline tank is full. How many gallons will it take to fill the tank? Write your answer as a mixed number.
Elena L [17]

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it will take 3 5/8 of gas to fill the tank

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Which of the following represents the graph of f(x) = 2(x + 3)?
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We have that

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3 0
4 years ago
Tony has a rectangular yard he would like to fence. He knows the length of his yard is 3x3+4x2−6x and the width of the yard is 2
Step2247 [10]

Answer:

P = 6x³ + 12x² - 18x + 8

Step-by-step explanation:

Given that:

Length = 3x3+4x2−6x

Width = 2x2−3x+4

The length of fencing needed will be :

Perimeter of rectangle (P) = 2( Length + Width)

P = 2[ (3x3+4x2−6x) + (2x2−3x+4)]

P = 2 (3x³+ (4x² + 2x²) + (-6x - 3x) + 4)

P = 2(3x³ + 6x² - 9x + 4)

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6 0
3 years ago
Find the circumference of the circle shown. Round to the nearest tenth.
Sunny_sXe [5.5K]

Answer:

110 cm

Step-by-step explanation:

So if we know the diameter, which is 35 cm, we can use the formula π*d. So we would take the diameter and put it in the place of d. So it would be pie times 35. Which would result in us getting 109.96. And this rounded to the nearest tenth would be 110. So The circumference would be 110 cm.

5 0
3 years ago
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