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mash [69]
2 years ago
6

The area of Australia is approximately 7,000,000 km2 . Write this number in science notation. need help!

Mathematics
1 answer:
masya89 [10]2 years ago
7 0

7E6 or 7 x 10 to the sixth power

they both mean the same thing, they just are written different.

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What is the area of the circle?
dmitriy555 [2]

We know that the area of a circle has the formula A=πr²

We are given the diameter, and as we know that the diameter is twice the radius, we can divide the given diameter by 2.

27 ÷ 2= 13.5

Now, plug-in the number into the formula.

A=πr²

A=π×13.5²

A=π×182.25

(Assume π=3.14)

A=3.14 × 182.25

A=572.265

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H. 2x – 7 = 3 squared
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Answer:

h. x=8

Step-by-step explanation:

2x-7=3^2

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fomenos

Answer: $11.48

Step-by-step explanation:

First of all, you have to multiply 3.25 by 2.55 because the grapes are 2.55 per pound. That makes 8.2875 for the first occasion. Next, you have to multiply 1.25 by 2.55 for the second occasion. That makes 3.1875. You then have to add 8.2875 and 3.1875. You get 11.47500, and that rounded to the nearest cent is $11.48.

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2 years ago
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