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Arada [10]
3 years ago
5

What is 0.0003124 in scientific notation?

Mathematics
2 answers:
Mariana [72]3 years ago
5 0

Answer:

3.124*10^{-4}

Step-by-step explanation:

In order to find the scientific notation of a number, you must move the decimal point to the right of the first significant (not 0) number. In this problem, you have to move the decimal 4 points to the right, which means that you would multiply the resulting number by ten to the negative fourth. If you were to move the decimal four points to the left, you would multiply the resulting number by ten to the fourth instead.

Shalnov [3]3 years ago
3 0

3.124 * 10^-4

since your decimal is coming forward you need the exponent to be negative

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Leni [432]
Rectangle:
A=l(w)

A=12(6)

A=72cm^2

Semicircle:
r=6/2

r=3

A=(3.14(r)^2(1/2)

A=3.14(3)^2(1/2)

A=3.14(9)(1/2)

A=14.13cm^2

A=14.1cm^2

Total area: 72cm^2 + 14.1cm^2 = 86.1cm^2
6 0
2 years ago
Pls answer with real answers only thank you
aev [14]
Answer: 32.35 cm^2

Step by step:

Find the area of the rectangle first.

A= L • W
A= 11 • 4.2
A= 46.2 cm^2

Then find the area of the circle. The formula is A= pi (r)^2. The diameter of the circle is 4.2 cm because looking at the width of the rectangle it fits into the circle as well.

Half of the diameter is 2.1 cm which is the radius.

A= pi (r)^2
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A= 13.85 cm^2

Then you would subtract 13.85 from 46.2 to find the shaded portion.

Hope this helps :))

4 0
3 years ago
Mrs. CADY CONSTRUCTS A CUBE WITH 512 MAGNETIC BLOCKS. STUDENTS IN HER TWO CLASSES WILL EACH MAKE AN IDENTICAL CUBE. THERE ARE 28
Lilit [14]
YOU DON"T HAVE TO YELL

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BASICALLY,
CUBES NEEDED=CUBES PER STUDENT TIMES NUMBER OF STUDENTS

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3 years ago
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Finger [1]

Answer:

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Step-by-step explanation:

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f-g = 3x +1 - ( x - 6)

Distribute the minus sign

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4 0
3 years ago
What is the 20th term to -30,-22,-14,-6?
galben [10]
98.
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128-30=98.
5 0
3 years ago
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