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Feliz [49]
3 years ago
10

Jaime used a microscope to measure the diameter of a hair. She found the diameter of her hair was 0.000072 meter. How is this nu

mber written in scientific notation?

Mathematics
2 answers:
Dennis_Churaev [7]3 years ago
3 0

Answer:

7.2  ×  10 ^-5

Step-by-step explanation:

Google

Anestetic [448]3 years ago
3 0

Answer:

7.2 × 10 with an exponent of -5

Step-by-step explanation:

the answer is 7.2×10 with an exponent of -5

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ASAP please and thank you
Gnoma [55]

Answer:

32cm that is the answer sorry if its wrong

7 0
3 years ago
Help please marking brainlist!!
dangina [55]
Answer should be the second one, B
6 0
3 years ago
121 slabs . How many slabs will she need to lay in each row to make a square
netineya [11]

She needs to lay 11 slabs on each row to make a square

<h3>How to determine the number of slabs in each row?</h3>

The total number of slabs is given as:

Total = 121 slabs

Let this represent the area of the slab.

The area of a square is calculated as:

Area = Length^2

Substitute the known values in the above equation

Length^2 = 121

Take the square root of both sides

Length = 11

Hence, she needs to lay 11 slabs on each row to make a square

Read more about squares at:

brainly.com/question/24487155

#SPJ1

4 0
2 years ago
Which of the following scores has the better relative position ( as measured by the z score) a. A score of 53 on a test for whic
Kisachek [45]

Answer:

d. Cannot be determined with the information provided.

Step-by-step explanation:

Z-score:

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Finding the better relative position:

The score with the better relative position is the one with a higher z-score.

To find the z-score, the mean and the standard deviation is needed, and in this question, the standard deviation is not given, and thus, the correct answer is given by option d.

3 0
3 years ago
B. − 4 = 7 and − 4 + 4 = 7 + 4
daser333 [38]

Answeration:

they are both false

3 0
3 years ago
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