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djverab [1.8K]
3 years ago
10

I need help on math ​

Mathematics
1 answer:
Viefleur [7K]3 years ago
7 0

Answer:

its the first one

Step-by-step explanation:

i have no step by step explanation

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PLEASE ANSWERERRREEERRR
Vladimir79 [104]

the operation:

2*10^1 - 4*10^0 = 20 - 4 = 16

Gives a square number.

<h3>How to get a perfect square?</h3>

A perfect square is the product of a number and itself.

As you can see in the example, 16 is a square number. Then let's try to get 16.

To get 16 we can use the difference:

20 - 4

So the first therm needs to be equal to 20, and the second equal to 4.

To write 20 in scientific notation we have:

2*10^1

To write 4 in in scientific notation:

4*10^0

Then the operation:

2*10^1 - 4*10^0 = 20 - 4 = 16

Gives a square number.

If you want to learn more about square numbers:

brainly.com/question/21694652

#SPJ1

5 0
2 years ago
Solve for x: 2(x+2)-4x+8
ddd [48]
ANSWER:
2(-x+6)
If you want it simplified the answer is 2x+12
Hopefully I helped
3 0
3 years ago
We use the analysis of variance rather than the t ratio when more than two groups are involved because: _________________
Airida [17]
Answer: B

Explanation: I’ve taken this test before and got it right :)
4 0
2 years ago
What is the answer to 3s=45?
german
S= 15


3s=45
3s/3=45/3
S=15
You have to divide both sides
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3 years ago
If it rained on 3 days out of 20 days on what percent of the days did it rain
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It rained on 15% of those days
3 0
3 years ago
Read 2 more answers
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