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pishuonlain [190]
3 years ago
7

Scientists discovered a large star 500,000 light-years from Earth. A light-year is about 5,880,000,000,000 miles. What is the di

stance of the large star from Earth in scientific notation?
Mathematics
1 answer:
VARVARA [1.3K]3 years ago
4 0

7.35×10ⁿ13 im pretty sure this is corrext


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3 years ago
A microscope can magnify the object it is looking at 10×4 times. How many times is that? (MCC.8.EE.3) A. 40,000 times B. 40 time
damaskus [11]

Answer:

10×4 = 40

10^4 = 10,000

Step-by-step explanation:

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_____

<em>Comment on the answer choice</em>

The appropriate answer depends on what you mean by your problem statement. Some microscopes magnify 40 times; others magnify 10,000 times, so we cannot tell the appropriate answer using our knowledge of microscopes.

3 0
3 years ago
Identify the volume of the composite figure rounded to the nearest tenth. HELP PLEASE!!
nirvana33 [79]

Answer:

V = 115.3 ft³

Step-by-step explanation:

The left part of the figure shows a cube of side length 4.2 ft.  The volume of a cube is V = s³, where s is the side length.  Hence, the volume of this particular cube is V = (4.2 ft)³ = 74.088.

The volume of a pyramid is V = (1/3)(base area)(height).

Here V = (1/3)(4.2 ft)²(7 ft) = 41.16 ft³.

Summing up the two distinct areas, we get V = 41.16 ft³ + 74.088 ft³, or

V = 115.3 ft³ after rounding up to the nearest tenth.

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3 years ago
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kolbaska11 [484]

Answer:

I think the answer is 155 ft^2. Hope this helps.

4 0
2 years ago
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