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algol13
3 years ago
8

What is 0.00025 in scientific notation

Mathematics
1 answer:
Olin [163]3 years ago
6 0
You just move the decimal as much as you need to to make it a number 1 through 9. Since in this case you're moving it to the right 4 times, you multiply it by 10^-4.

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Alla [95]

Answer:

(0,-2), (5,0) and (10,2).

Step-by-step explanation:

Given equation is 2x-5y=10.

Now we need to find 3 pairs of solutions in (x,y) form for the given equation.

As 2x-5y=10 is a linear equation so we are free to pick any number for x like x=0, 5, 10

Plug x=0 into 2x-5y=10, we get:

2(0)-5y=10

0-5y=10

-5y=10

y=\frac{10}{-5}

y=-2

Hence first solution is (0,-2)

We can repeat same process with x=5 and 10 to get the other solutions.

Hence final answer is (0,-2), (5,0) and (10,2).

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Step-by-step explanation:

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