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Kryger [21]
1 year ago
5

Help pls im so confused 10(1^2*2^-2)

Mathematics
1 answer:
Kazeer [188]1 year ago
4 0

Answer:

<h2><u><em>2.5</em></u></h2>

<u><em>(or 5/2 or 2 1/2)</em></u>

Step-by-step explanation:

<u><em>Remember PEMDAS</em></u>

10 * (1^2 * 2^-2)

10 * (1 * 0.25)

10 * 0.25 =

<u><em>2.5 </em></u>

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An _____has income and expenses
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Answer:

Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
What two numbers add to 13 but multiply to negative 12?
Phoenix [80]

9514 1404 393

Answer:

  13.8654599313 and -0.8654599313

Step-by-step explanation:

If one of the numbers is x, then the other is 13-x, and their product is ...

  x(13 -x) = -12

  x^2 -13x = 12 . . . . multiply by -1 and simplify

  x^2 -13x +6.5^2 = 12 +6.5^2 . . . . complete the square

  (x -6.5)^2 = 54.25

  x -6.5 = √54.25

  x = 6.5 +√54.25 ≈ 13.8654599313

and the other number is ...

  13 -x = 13 -13.8654599313 = -0.8654599313

The two numbers are 13.8654599313 and -0.8654599313.

3 0
2 years ago
Find the value of n. The diagram is not to scale.
lesya692 [45]

Answer:

use symolab

Step-by-step explanation:

7 0
3 years ago
Round off 53.96 to the nearest tenth​
Ne4ueva [31]

Answer:

54.0

Step-by-step explanation:

53.96

The bold number is in the tenth form and needs rounding off. So look at the number after the bold number (6).

Now 6 falls off the 5 or greater category, meaning that you have to add one to the bold number.

9 + 1 = 10

Now since the number is 10, you add the number before the bold number by 1 (underlined number) and replace the bold number by 0.

5<u>3</u>.96

54.00

Since you are focusing on the tenth place, keep the zero sitting on that spot.

54.0

5 0
3 years ago
Ted says that 3 tenths multiplied by 100 equals 300 thousands .is he correct ? use a place value chart to explain your answer
Elena-2011 [213]
Well I can explain how Ted is wrong. 3 tenths multiplied by 100 is actually 30. The place value of the three goes up 2 times and the decimal goes backward by 2.
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3 years ago
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