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rewona [7]
3 years ago
13

Write the following number in standard form 7.21x10^5

Mathematics
2 answers:
Step2247 [10]3 years ago
4 0

Answer:

it's 21000v^7x

Ulleksa [173]3 years ago
3 0

Answer:

721000

Step-by-step explanation:

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3 years ago
The diagram shows an empty cylindrical container. Ana puts a solid cube of side length 8 cm into the container. She then pours 1
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Answer:

<h3><u>Cylinder</u></h3>

\textsf{Volume of a cylinder}=\sf \pi r^2 h \quad\textsf{(where r is the radius and h is the height)}

Given:

  • r = 6 cm
  • h = 18 cm

\begin{aligned}\implies \sf V &= \sf \pi (6)^2(18)\\& = \sf 648 \pi \: cm^3\end{aligned}

<h3><u>Cube</u></h3>

\textsf{Volume of a cube}=\sf x^3\quad\textsf{(where x is the side length)}

Given:

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\begin{aligned}\implies \sf V &= 8^3\\& = \sf 512 \: cm^3\end{aligned}

<h3><u>Volume available to be filled with water</u></h3>

Volume of cylinder - volume of cube

= 684π - 512

= 1532.75204 cm³

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⇒ 1.5 litres = 1000 × 1.5 = 1500 cm³

As 1500 < 1532.75204, the volume of water poured into the container is smaller than the empty space available in the cylinder.  Therefore, the water will <u>not</u> come over the top of the container.

4 0
2 years ago
If 3500 miles are traveled at a rate of 175 miles per hour, what is the time in hours? (hint: Distance = Rate * Time)
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3 years ago
A college finds that of the 861 students taking math, 525 students are business majors and 202 students are taking math and are
3241004551 [841]

Answer:

Step-by-step explanation:

202 students taking math and are business majors

only math, would be (861 - 202) = 659

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so there are (659 + 323) = 982 that are math or business majors

5 0
2 years ago
Read 2 more answers
It takes 99 apples to make 9 pies. How many apples would it take to 4 pies? (Hint simplify your ratio first)
kolbaska11 [484]

Answer:

it would take 36 apples to make 4 pies.

Step-by-step explanation:

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3 years ago
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