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4 years ago

How do you simplify negative exponenets

Mathematics

1 answer:

Lerok [7]4 years ago

7 0

Answer:

By solving the exponent as if it were positive, then taking the inverse of the number.

For Example:

$3^{-2} = 9^{-1} = 1/9\\\\2^{-3} = 8^{-1} = 1/8$

$x^{-4} = \frac{1}{x^{4}}$

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2.) -6< -3; Divide both sides by-3.

svetoff [14.1K]

Answer:

-2 < -1

Step-by-step explanation:

-6 < -3

-6/3 < -3/3

-2 < -1

7 0

4 years ago

What is the midpoint to the segment below?

shtirl [24]

Step-by-step Answer:

The coordinates of the mid-point of a segment whose end-points are known is the average of the coordinates of the end-points.

Here, the end-points are: (-11,0), (9,-1)

So the x-coordinate of the mid-point is (-11+9)/2 = (-2/2) = -1, and

the y-coordinate of the mid-point is (0-1)/2 = -0.5

So the mid-point is (-1,-0.5)

Check the numbers by plotting the point on the graph!

3 0

4 years ago

Find the radius of a circle whose area is 576π m²

k0ka [10]

Answer:

r = 24 m

Step-by-step explanation:

The area (A) of a circle is calculated as

A = πr² ( r is the radius )

Here A = 576π , then

πr² = 576π ( divide both sides by π )

r² = 576 ( take the square root of both sides )

r = $\sqrt{576}$ = 24

7 0

3 years ago

Which expression represents rational numbers? Select all that apply

Vladimir79 [104]

Answer:

1. $\sqrt{100} \sqrt{100}$

2. 13.5 + $\sqrt{81}$

3. $\sqrt{9} + \sqrt{729}$

6. $\frac{3}{5} + 2.5\\\frac{3+12.5}{5}\\\frac{15.5}{5}\\= 3.1$

These four options are rational;

Step-by-step explanation:

1. $\sqrt{100} \sqrt{100}$ equals to 10 * 10 = 100 which is rational

2. 13.5 + $\sqrt{81}$ equals 13.5 + 9 = 22.5

3. $\sqrt{9} + \sqrt{729}$ -- 3+27 = 30

6. $\frac{3}{5} + 2.5\\\frac{3+12.5}{5}\\\frac{15.5}{5}\\= 3.1$

Option 4 and 5 are irrational because they include $\sqrt{353}$ and $\sqrt{216}$ which are not a perfect square and their answers will be non recurring and non terminating decimal fraction.

5 0

3 years ago

What is 7+(-7)=? Help me plis

Feliz [49]

Hey!!

Here's your answer

7+(-7)

=7-7

=0

so the answer is 0

hope it helps...

6 0

3 years ago

Read 2 more answers