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Rama09 [41]
3 years ago
10

Extra points!

Chemistry
2 answers:
Dima020 [189]3 years ago
8 0
Grinding a glass: Physical Change
Rusting of Iron: Chemical Change
Burning a candle: Chemical Change
Sanding a wood: Physical Change
noname [10]3 years ago
3 0

Answer:

1A

2B

3B

4A

Explanation:

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Prform the following operation and express the answer in scientific notation 6.0 x 10^3-2.310^3
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The value 6.0 x 10^3- 2.3 × 10^3 in scientific notation is 3.7 × 10^3.

<h3> What is scientific notation?</h3>

Scientific notation is a way to write very large or very small numbers so that they are easier to read and work with.

You express a number as the product of a number greater than or equal to 1 but less than 10 and an integral power of 10 .

<h3>Why it is used? </h3>

There are two reasons to use scientific notation.

  • The first is to reveal honest uncertainty in experimental measurements.
  • The second is to express very large or very small numbers so they are easier to read.

Given,

= 6.0 x 10^3- 2.3 × 10^3

= (6.0 - 2.3) × 10^3

= 3.7 × 10^3

Thus, we find that the value 6.0 x 10^3- 2.3 × 10^3 in scientific notation is 3.7 × 10^3.

learn more about scientific notation :

brainly.com/question/18073768

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