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Murljashka [212]
4 years ago
6

Express .0000257 in scientific notation

Mathematics
1 answer:
sukhopar [10]4 years ago
6 0

Answer:

2.57 x 10^(-5)

Step-by-step explanation:

you have to move the comma sign in front of the first number considering 0 as a non-number.

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Evaluate each expression <br> | -15 |
Nina [5.8K]

Answer:

15

Step-by-step explanation:

| -15 |

The absolute value means take the positive value of whats inside

| -15 | = 15

3 0
4 years ago
Read 2 more answers
Keiko, Abdul, and Bob have a total of $82 in their wallets. Keiko has $7 more than Abdul. Bob has 3 times what Abdul has. How mu
dlinn [17]

Answer:

abdul has 15

keiko has 22

bob has 45

Step-by-step explanation:

82= a+7+3a+a

75=a+3a+a

75=5a

15=a

15=abdul

15+7=keiko

3(15)=bob

8 0
3 years ago
Write an algebraic equation to match each graph. (These graphs are not drawn to scale!) please help! i will make brainliest answ
ddd [48]

Answer:

the expression of this function is:

f(x)=|x-1|-1

Step-by-step explanation:

This graph corresponds to an absolute value function, which as you can see has the minimum (vertex) at the point (1, -1) on the plane, and also that goes through the origin of coordinates (0, 0)

therefore, notice that from the point (0, 0) to (1, -1) there is a slope of "-1" which is going to characterize the steepness of the x- variable that resides inside the absolute value function. since the vertex has also moved from the characteristic (0, 0) in the function:

f(x)=|x|

then we have to include a horizontal shift to the right in one unit (by subtracting 1 units from x), and a vertical shift  downwards one unit (by subtracting 1 from the full absolute value expression) in order to shift the vertex to the position (1, -1):

f(x)=|x-1|-1

3 0
3 years ago
Which unit would be best for measuring the thickness of a coin?
adell [148]
It’s best to use kilometers
6 0
3 years ago
Read 2 more answers
What’s the answer, I believe it’s 4, and D
Lapatulllka [165]
Okay so yes for the first one it is 4 Sig digs

And I believe you are correct on the 2nd one.. I beleive it is also D.

Go with your gut! And good luck! :D
8 0
4 years ago
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