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dezoksy [38]
2 years ago
11

A block of has a length of 7cm, a width of 4cm, and a height of 10cm. Its mass measures 840g. What is it's density?

Chemistry
1 answer:
andriy [413]2 years ago
3 0

Answer:

Explanation:

Density is

mass / volume = d

Mass:

840g

Volume:

7 cm x 4 cm  x 10 cm = 280 cm^3

840g / 280 cm^3 = 3 g/cm^3

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Type the correct answer in the box.
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Answer:

a= <em>In scientific notation</em>

6.96000×10⁵ Km

b =<em>In  expanded notation</em>

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Given data:

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Scientific notation is the way to express the large value in short form.

The number in scientific notation have two parts.

. The digits (decimal point will place after first digit)

× 10 ( the power which put the decimal point where it should be)

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<em>In scientific notation</em>

6.96000 × 10⁵ Km

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1.9 ×10⁻⁴ mm

<em>In  expanded notation</em>

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