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galina1969 [7]
2 years ago
5

Brainliest, could you help me with the scientific notation

Mathematics
1 answer:
Minchanka [31]2 years ago
3 0

Answer:

1. 2.13 x 10^-1

2. 8.9 x 10^-2

3. 5.7 x 10^-5

4. 2.84 x 10^4

5. 8.1 x 10^-5

6. 2.65 x 10-5

Step-by-step explanation:

Good luck! Brainliest is always appreciated!

Sincerely,

Philip

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I NEED HELP ASAP PLEASE
Molodets [167]

Answer:

The answer is B

Step-by-step explanation:

You add up all the numbers which should be 600 and divide by the total amount numbers used.

600/15=40.

5 0
3 years ago
Write 48% as a fraction
Roman55 [17]
The answer is 48/100. As it is out of 100.
8 0
3 years ago
What is the conditional probability that exactly four heads appear when a fair coin is flipped five times
cestrela7 [59]

Answer:

5/32

Step-by-step explanation:

If a coin if flipped five times with four heads, then it has exactly one tail. The number of way to arrange four heads and one tail are as follows:

T H H H H

H T H H H

H H T H H

H H H T H

H H H H T

Essentially, there are five way because there are five "positions" where the tail could be.

Then, you need to find the total amount of possibilities for flipping a coin five times. Every time you flip it, there are two possibilities- heads and tails. Therefore, for five flips, the total amount of possibilities is

2x2x2x2x2 = 32

You know that

probability= # of desired outcome

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                      # of total outcomes

So the probablity is 5/32.

8 0
3 years ago
Simplify the following expression 5^2-4/5+2
oee [108]
If <span>(5^2-4) / (5+2) then
=(25 - 4 )/3
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if 4/5 fraction then
</span><span>5^2-4/5+2
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= 27 - 4/5
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6 0
3 years ago
Read 2 more answers
5x-8y=40 what is the x intercept
Artist 52 [7]
Hello! The x-intercept is where the line crosses the x-axis when y = 0. We already have the expression shown. We will plug in 0 as y to get this:

5x - 8(0) = 40.

As you probably know, anything times 0 is 0, so -8 * 0 is 0. All we have is 5x = 40. Divide each side by 5 to isolate the x. 5x/5 cancels out. 40/5 is 8. There. x = 8. The x-intercept is (8, 0).
8 0
3 years ago
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