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amid [387]
3 years ago
7

What is 2m-2 when m =9

Mathematics
2 answers:
xxTIMURxx [149]3 years ago
7 0
The answer is : 16
:) :)
Mashcka [7]3 years ago
6 0

Answer:

16

Step-by-step explanation:

simplify

2(9) - 2

18 - 2

16

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What is .00000023 in scientific notation
Lisa [10]

Answer:

2.3 × 10^-7

Step-by-step explanation:

First, create an equation with the initial decimal being the coefficient multiplied by 10 to the power of 0.

(For example, let’s create the starting scientific notation equation for the decimal 475,000).

475,000 = 475,000 × 10^0

-------------------------------------------------------------------------------------------------------------

Now that we have an equation, the second step is to move the decimal point in the coefficient until there is 1 significant digit to the left of the decimal point. For each space the decimal point is moved to the left, increase the exponent by 1.

(Continuing the example above, move the decimal point to the left and increment the exponent.).

475,000 = 475,000.0 × 10^0

475,000 = 47,500.0 × 10^1

475,000 = 4,750.0 × 10^2

475,000 = 475.0 × 10^3

475,000 = 47.5 × 10^4

475,000 = 4.75 × 10^5

8 0
4 years ago
-Simplify the expression. 2(-y + 9) + 8y
Nata [24]

Answer:

first we open the brackets using two so our new expression will be -2y+ 18 + 8y collect the like terms -2 y + 8 y + 18 so your final answer will be 6 y + 18 if you have any questions regarding this just ask

4 0
4 years ago
Convert the given angle measure from degrees to radians:-36°
Reika [66]
-(36 degrees) =

-0.628318531 radians

hope this helps you
7 0
3 years ago
To increase an amount by 38%, muiply by
asambeis [7]

Step-by-step explanation:

to increase 38% you have to multiply by 0.38

8 0
3 years ago
Jennifer made 5 L of punch for her party. Her brother made another 750 mL. If they combine the 2 batches, how many 180 mL servin
USPshnik [31]

Answer:

31 servings

Yes there would be leftover

Step-by-step explanation:

In this question, we are asked to calculate the amount of a certain volume that would be had and if there also would be leftovers.

Firstly, to solve this question, we need to know the total volume made by the siblings.

Let’s convert What Jeniffer made to liters. It must be known that 1000ml is 1L. This means her 5L would be 5 * 1000 = 5000ml

Let’s add this to what her brother has and it would be 5000 + 750 = 5,750ml

Now they made a series of 180ml servings. We need to know how many of these would they have. We simply make a division: 5,750/180 = 31.94

There would be 31 of this and also there would be a remainder

7 0
4 years ago
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