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Yakvenalex [24]
3 years ago
12

Select all the simplified expression ​

Mathematics
2 answers:
Alecsey [184]3 years ago
7 0

Answer:

The answer to the question provided is \frac{1}{243} and \frac{1}{ {3}^{5} }.

sineoko [7]3 years ago
5 0

Answer:

1 / 3^5

1/ 243

Step-by-step explanation:

3^4 ÷ 3^9

We know that a^b ÷ a^c = a^ ( b-c)

3 ^ ( 4-9)

3^ -5

We can rewrite this as a^-b = 1/ a^b

1 / 3^5

We know that 3^5 = 243

1/ 243

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Explain in at least 5 sentences why scientific notation is important. You can choose a job or company that would use it and give
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Answer:

UwU

Step-by-step explanation:

UwUUwUUwUUwUUwUUwUUwUUwUUwUUwUUwUUwUUwUUwUUwUUwUUwUUwUUwUUwUUwUUwUUwUUwUUwUUwUUwUUwUUwUUwU

8 0
3 years ago
Find the measure of the arc or angle indicated.
Shkiper50 [21]

9514 1404 393

Answer:

  arc AC = 63°

Step-by-step explanation:

Arc BC is twice the measure of inscribed angle BAC, so is ...

  arc AC = 2×89° = 178°

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4 0
3 years ago
FINDING AREA ON A COORDINATE PLANE
Fynjy0 [20]

Answer:

This is not descriptive at all..?

Step-by-step explanation:

We need a real question.

8 0
3 years ago
15. A cylindrical glass 10 cm tall and 8 cm in diameter is filled to 1 cm
ANTONII [103]

Answer:

No. The new height of the water is less than the height of the glass(6.33 cm<10 cm)

Step-by-step explanation:

-For the water in the glass to overflow, the volume of the inserted solid must be greater than the volume of the empty space or the ensuing height of  water >height of glass.

#Volume of the golf ball:

V=\frac{4}{3}\pi r^3\\\\=\frac{4}{3}\pi \times 4^3\\\\\approx 268.08\ cm^3

#The volume of the water in the glass:

V=\pi r^2 h\\\\=\pi \times 4^2\times 10\\\\\approx 50.27\ cm^2

We then equate the two volumes to the glass' volume to determine the new height of the water:

V=\pi r^2h\\\\(206.08+50.27)=\pi r^2 h\\\\h=318.35/(\pi \times 4^2)\\\\=6.33\ cm

Hence, the glass will not overflow since the new height of the water is less than the height of the glass(6.33 cm<10cm).

4 0
3 years ago
A bakery sold 115 cupcakes in one day. The head baker predicted he would sell 95 cupcakes that day. What was the percent error o
Brut [27]
It was about 17.4% 
======================================================================

% error=
actual value-estimated value 
Then divide that by actual value
5 0
3 years ago
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