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Anestetic [448]
3 years ago
10

I need help with this

Chemistry
2 answers:
alex41 [277]3 years ago
8 0

Answer:

infrared for longer and ultraviolet for shorter

Explanation:

let me now if right

Serhud [2]3 years ago
5 0

Answer:

Infrared is longer and ultraviolet is shortest

Explanation:

just look it up

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Round off the following number to 3 digits 34,560​
Vikki [24]

Answer:

3.46x10⁴

Explanation:

Hello,

In this case, we can see that the number 34,560 has five significant figures, it means that if we want to write it with three, we must take the 3, 4 and 5 only. Nevertheless, since the 6 after the five is greater than 5, we can round such five to 6, so we obtain:

346

However, the decimal places cannot get lost, therefore, we move the given thousand  to the three, so the number turns out:

3.46x10⁴

Best regards.

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Answer:

Yes, Is a glass window good reflector of heat.

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