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alexandr402 [8]
3 years ago
13

In the following expression, what number is the exponent?

Mathematics
1 answer:
Sav [38]3 years ago
7 0
7^3....the 3 is the exponent
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last summer, job earned 916 mowing lawns. His brother,gabe,earned 791 completing chores in the neighborhood. compare the value o
enot [183]
916...the 9 is in the hundreds place so its value is 900
791...the 9 is in the tens place so its value is 90

900/90 = 10
so the 9 in 916 is 10 times bigger then the 9 in 791
7 0
3 years ago
Determine whether the study depicts an observational study or an experiment. Thirty university students are divided into two gro
alex41 [277]

Answer:

The provided study is an experiment.

Step-by-step explanation:

Consider the provided information.

Observational study: In this study observer only observe the subjects, and measure variables of interest without allocating treatments to subjects.

For example: you want to examine the  side effect of smoke on lung.

Experiment study:The researchers are applying treatments to experimental units in the research, then the effect of the treatments on the experimental units is observed.

For example: Flipping a coin

Now consider the provided information:

Thirty university students are divided into two groups. One group receives free tutoring in mathematics comma the other doesn't. After one semester comma scores on final mathematical examinations are compared.

Here, the researcher applying treatment to experimental units.

Thus, the provided study is an experiment.

6 0
3 years ago
HELP 20 POINTS!
Butoxors [25]
For the first blank where it asks for the perimeter, the perimeter is all the outside sides of a shape added up. So, 6 + 1 + 2 + 4 + 4 + 5 = 22.

For the second blank, you just multiply the entire perimeter by 5, so, 22 times 5=110.

For the third blank, it is basically the same as the previous question. The answer is 5.

For the fourth blank, it is the same perimeter as the first blank, but instead of centimeters, it is in k. So, 22k.

Hope this helped! :)
4 0
3 years ago
Read 2 more answers
Do both of them for 50 points
erastovalidia [21]

Answer:

1) 5.44, 2) 3.9

Step-by-step explanation:

1) a/b + 2b - a^2 when a = 1.4 and b = 0.2

plug in the values:

1.4/0.2 + 2(0.2) - (1.4)^2 = 7 + 0.4 - 1.96 = 5.44

2) a[b-2c]^3 - d/e when a = 2, b = -0.75, c = -1, d = 0, e = -12 5/7 (rewritten to -89/7 = 12.71)

again, plug in the values:

2[-0.75-2(-1)]^3 - 0/12.71 = 2[1.25]^3 - 0 = 2[1.95] = 3.9

5 0
3 years ago
For brainiest:):):):):):):)
exis [7]
I used 3.14 for pi to solve easier.

6. 6.28

7. 21.98

8. 94.2
6 0
3 years ago
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