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2 years ago

What is -(8^-2) need to know how to do this asap

Mathematics

2 answers:

dlinn [17]2 years ago

7 0

Answer: - 1/64

Explanation: math shown below

yarga [219]2 years ago

3 0

Answer:

$-\frac{1}{64}$

Step-by-step explanation:

$-(8^{-2})\\\\\\x^{-n}=\frac{1}{x^{n}}\\\\\\-(8^{-2})=-\frac{1}{8^{2}}\\\\=-\frac{1}{64}$

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Simplify. <br><br> −3x3(−2x2+4x−3)

stepladder [879]

Answer:

$-3x^3(-2x^2+4x-3)$ simplifies to $6x^5-12x^4+9x^3$

Step-by-step explanation:

Given expression $-3x^3(-2x^2+4x-3)$

We have to simplify the above expression,

Consider the given expression $-3x^3(-2x^2+4x-3)$

Multiply each term in brackets by $-3x^3$ , we get,

$-3x^3(-2x^2+4x-3)=-3x^3(-2x^2)-3x^3(4x)[-3x^3(-3)$

Solving further, using $x^n\cdot x^m=x^{n+m}$ we get,

$-3x^3(-2x^2)-3x^3(4x)[-3x^3(-3)=6x^5-12x^4+9x^3$

Thus, $-3x^3(-2x^2+4x-3)$ simplifies to $6x^5-12x^4+9x^3$

4 0

2 years ago

Read 2 more answers

How many units apart are (-1,4) and (2,-1)

Serggg [28]

Answer:

Those points are $\sqrt{34}$ units apart.

7 0

2 years ago

The table compares x, the number of minutes of television Sam watched each day, to y, the number of minutes she spent exercising

Olegator [25]

The answer is 83minutes hope that helped

6 0

3 years ago

Read 2 more answers

Help me pleaseeeee will mark brainliest

kaheart [24]

1) 64

2) 1/8

Hope this helps! ;)

8 0

3 years ago

How many sides has an equiangular polygon if one of its exterior angles is 25 5/7?

lys-0071 [83]

Step One
Figure out the interior angle
25 5/7 = 25.714285 repeating. The interior angle is the supplement of this angle.

180 - 25.714285 = 154.2857
The formula relating the number of sides and the interior equal angle is

interior equal angle = 180 ( 1 - 2/n) where n is the number of sides. (Google equiangular polygon to find this formula.)

154.2857 / 180 = 1 - 2/n)
0.8571428 = 6/7 = 1 - 2/n
1/7 = 2/n
n = 14 sides
This figure is regular as well as equiangular.

6 0

2 years ago