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Diano4ka-milaya [45]
3 years ago
11

What is the value of this expression? (−2)5 Enter your answer in the box.

Mathematics
2 answers:
N76 [4]3 years ago
6 0

Answer: -32

Step-by-step explanation:

Using law of exponents:-

a^n=a\times a\times a .......a (\text{ n times})

The given expression : (-2)^5

Then , we need to multiply -2 to itself 5 times.

i.e. (-2)^5=-2\times-2\times-2\times-2\times-2=-32  (Product of odd numbers of -negative signs results in negative sign )

Therefore , the  value of this expression = -32

Oxana [17]3 years ago
3 0
-10 since the parentheses mean multiply and multiplying a negative with a positive gives you a negative.
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Point m represents the opposite of negative 1/2 and point n represents the opposite of positive 5/2 which number line correctly
Ira Lisetskai [31]

Answer:

The graph in the attached figure

Step-by-step explanation:

we know that

point m represents the opposite of negative 1/2

so

m=+\frac{1}{2}=0.5

point n represents the opposite of positive 5/2

so

n=-\frac{5}{2}=-2.5

using a graphing tool

see the attached figure

3 0
4 years ago
Given a soda can with a volume of 15 and a diameter of 2, what is the volume of a cone that fits perfectly inside the soda can?
Naddika [18.5K]
Check the picture below.

so, a cone, that fits inside the cylinder, will have the same height "h" and radius "r".  Thus


\bf \textit{volume of a cylinder}\\\\
V=\pi r^2 h\qquad \boxed{\pi r^2 h}=15
\\\\\\
\textit{volume of a cone}\\\\
V=\cfrac{\pi r^2 h}{3}\implies V=\cfrac{\boxed{15}}{3}

8 0
3 years ago
Which unit rate is the lowest price per ounce? (5 points)
ELEN [110]

Answer:

B)

Step-by-step explanation:

A 25 ounce bag would cost about 14 cents per oz and the 45 ounce bag would cost about 11 cents per oz

7 0
3 years ago
What’s the correct answer for this?
grigory [225]

Answer:

The answer is 20

Step-by-step explanation:

Reasoning it is correct because for questions like this the bottom numbers for each shape are 10 and 8 they are very close to each other on the number line there fore since the number is two off you subtract 2 and then two again since it is 2 off to get 21 the closest answer is 20

It is a little confusing but since it is two places off you subtract two twice

8 0
3 years ago
3.
ad-work [718]

Answer:

58

Step-by-step explanation:

2-2x-3y5

2-2(2)-3(-4)5

-2+60

58

6 0
1 year ago
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