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3 years ago

7×10^7 in standard form

Mathematics

1 answer:

Bond [772]3 years ago

6 0

70,000,000

The number in the question is in scientific notation. How to convert it into a typical number you take the number before the x10 and add zeros to it. How many zeros you ask? Well you look at the exponent of 10 and add that many zeros to the seven.

Hope this helped!

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Meg has a can that contains 80% of orange juice and the rest water. The can has 1 liter of water.

ladessa [460]

Let O be the amount of orange juice and W be the amount of water.

A)
O = 0.8W

B)
W = 1, so:
O = 0.8(1)
O = 0.8 Liters

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4 years ago

What are the solutions to 3x^2+13x=10?

Mars2501 [29]

Answer:

Step-by-step explanation:

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2 years ago

Suppose the operators 1,2,3,4 on ℝ^2 are given by

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Answer:

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2 years ago

Find x in DEF<br><br>A. 6<br>B. 6 (square root 2)<br>C. 6 (square root 3)<br>D. 12

netineya [11]

Answer:

B. 6√2

Step-by-step explanation:

We can use the Pythagorean Theorem to solve this out. The Pythagorean Theorem states that for any right triangle with the shortest sides (called legs) as a and b and the longest side (called the hypotenuse) as c:

a² + b² = c²

Here, a = b = 6, so:

6² + 6² = c²

36 + 36 = c²

72 = c²

c = √72 = 6√2

Now, we see the answer is B.

However, there's a trick to solving these kinds of problems. Notice that DEF is both an isosceles triangle and a right triangle. We call these 45-45-90 triangles because those are the angles of the triangle.

One characteristic of these types of triangles is that their leg to leg to hypotenuse ratio is 1 : 1 : √2, always. We could apply that here. We see that the legs are 6, so we could find the hypotenuse simply by multiplying 6 by √2, and we would get 6√2, which is exactly the value we obtained above.

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4 years ago

Justin’s baby brother weighs 10 pounds. How much does Justin’s baby brother weigh in kilograms?

vichka [17]

Answer:

he weights 4.53 kilograms!

Step-by-step explanation:

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3 years ago

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