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aksik [14]
3 years ago
9

217.72 million in scientific notation

Mathematics
1 answer:
zepelin [54]3 years ago
7 0

2.17720 × 10^2 is the answer

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WORTH ALL MY POINTS PLEASE HELP
kari74 [83]

9514 1404 393

Answer:

  (a)  = 7 +3·5

Step-by-step explanation:

The given expression evaluates to ...

  6 +2^4 = 6 +16 = 22

The offered choices evaluate to ...

  7 +3·5 = 7 +15 = 22

  4·10^3 +96 = 4·1000 +96 = 4096

  7^2 = 49

  3·10 +2 = 30 +2 = 32

The only choice that will form a proper equation is the expression that evaluates to 22:

  6 +2^4 = 7 +3·5

4 0
2 years ago
Express 0.77230.77230, point, 7723 as a fraction
cricket20 [7]

Answer:

7723/10000

Step-by-step explanation:

8 0
3 years ago
A recipe calls for 1 cup of milk for every 4 cups of flour. Write the linear equation that describes this relationship.
yan [13]
The correct answer is y=4x
8 0
3 years ago
Jessica knows that the adult population gets, on average, eight hours of sleep each night. A hypothesis test can help her see if
Nitella [24]

Answer:

-4.42

Step-by-step explanation:

Given the following :

Population mean (pm) = 8 hours

Sample mean (sm) = 6.9 hours

Number of observations (n) = 101 students

Sample standard deviation (sd) = 2.5

Using the t-statistic formula :

[(sm - pm) / (sd/√n)]

Hence,

[(6.9 - 8) / (2.5/√101)]

[(-1.1) / (2.5/10.05)]

-1.1 / 0.2487562

= −4.422

The test statistic = - 4.42 to the nearest hundredth.

6 0
3 years ago
Line F has a slope of. -6/3 and line G has a slope of -8/4.
Darina [25.2K]

Given:

Slope of line F = -\dfrac{6}{3}

Slope of line G = -\dfrac{8}{4}

To find:

The conclusion about distinct lines F and G.

Solution:

We have,

Slope of line F = -\dfrac{6}{3}

                        = -2

Slope of line G = -\dfrac{8}{4}

                        = -2

The slopes of lines F and G are equal and we know that the slopes of two parallel lines are always equal.

Therefore, the line F and line G are parallel to each other.

7 0
3 years ago
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