2 years ago

What is 300 in scientific notation

Mathematics

2 answers:

Vesnalui [34]2 years ago

7 0

You move the decimal over by 2 to get 3.0 x 10 ^2

Yuki888 [10]2 years ago

6 0

3*10^2
ten is raised to the second power

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Which expression represents five times the quotient of two numbers

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5 times the quotient of 2 numbers is 5(r/t)

Answer is the third option

5(r/t)

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A tree is 24.75 feet tall. What is its height in meters? Use the following conversion: 1 meter is 3.3

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Plot point C(2,7). If M is the midpoint of CD , what are the coordinates of D?

Y_Kistochka [10]

Answer:

The coordinates of D is (-4,-9)

Step-by-step explanation:

Given

C = (2,7)

M=(-1,-1) ----- Missing part of question

Required

Determine the coordinates of D

Let the coordinates of D be (x₂,y₂)

We'll solve this question using mid point formula;

$M(x,y) = (\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})$

Where

$C(x_1,y_1) = (2,7)$ and $M(x,y) = (-1,-1)$

Put these values in the formula

$(-1,-1) = (\frac{2+x_2}{2},\frac{7+y_2}{2})$

By comparison;

$-1 = \frac{2+x_2}{2}$ and $-1 = \frac{7+y_2}{2}$

$-1 = \frac{2+x_2}{2}$

Multiply both sides by 2

$-2 = 2 + x_2$

Subtract 2 from both sides

$-2 -2 = x_2$

$x_2 = -4$

$-1 = \frac{7+y_2}{2}$

Multiply both sides by 2

$-2 = 7 + y_2$

Subtract 7 from both sides

$-2 - 7 = y_2$

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3 years ago

the population of the city in north carolina is 403,892 what is 403,892 rounded to the nearest thousand

Thepotemich [5.8K]

403, 892 rounded to the nearest thousand is 404,000.

The three is in the thousands place, and the 8 in the hundreds place tells us us to round up. The three becomes a 4 and everything behind it a 0. :)

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3 years ago

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