3 years ago

Write fourteen billion in scientific notation

Mathematics

1 answer:

nikdorinn [45]3 years ago

6 0

Answer:

3.4 x 107

Step-by-step explanation:

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You are driving to visit a friend in another state who lives 440 miles away. you are driving 55 miles per hour and have already

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4 years ago

Find the distance between (-1,-2) and (8,9)

Rom4ik [11]

Answer:

$\sqrt{202}$ units or 14.2 units (rounded to the nearest tenth)

Step-by-step explanation:

To find the distance between a pair of two points, use the distance formula $d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$ . Substitute the x and y values of (-1,-2) and (8,9) into the formula and simplify:

$d = \sqrt{(-1-8)^2+(-2-9)^2} \\d = \sqrt{(-9)^2+(-11)^2} \\d = \sqrt{81+121} \\d= \sqrt{202}$

So, as an exact answer, the distance is $\sqrt{202}$ units.

(To find the decimal approximate of that answer, enter it into a calculator. This would make the decimal approximate 14.2 units, when rounded to the nearest tenth.)

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3 years ago

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KonstantinChe [14]

Answer:

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3 years ago

A rectangle has a length of x + 7 and a width of 2x -3 if its perimeter perimeter is 32 what is the value of 3x

Fittoniya [83]

$Answer: \\ We \: have \: an \: equation:2(x + 7 + 2x - 3) = 32 \\ \Leftrightarrow 2(3x + 4) = 32 \\ \Leftrightarrow 3x + 4 = 16 \\ \Leftrightarrow 3x = 12$

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3 years ago

The quotient of 28 divided by 7increased by 4

Sergeeva-Olga [200]

8 is the answer......

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4 years ago