Question

Anyone knows how to do this please tell me how?

Answer 1

Explanation:

0.000672, 6.72×10⁵, 67.2×10‐⁴, 672×10⁴

Answer 2

Scientific Notation

Scientific notation is a way of writing numbers that looks like the following:

`a*10^n`

• a is any number between 1 and 10
• n is any integer

For instance, we can write 2930 in scientific notation.

1. First, move the decimal so that the number is between 1 and 10:
   ⇒ 2.93
2. Notice how we moved the decimal 3 places to the left. This means n will be 3. (Note that when we move to the right, n would be negative.)
   ⇒ 2.93 × 10³

Solving the Question

First, write all the given values in scientific notation:

1. 
   `6.72*10^5` ⇒
   `6.72*10^5`
2. 
   `67.2* 10^(-4)` ⇒
   `6.72* 10^(-3)`
3. 
   `672* 10^4` ⇒
   `6.72* 10^6`
4. 
   `0.000672` ⇒
   `6.72*10^(-4)`

Now, let's compare the values of n, and organize the numbers from least to greatest:

`6.72*10^(-4)`

`6.72* 10^(-3)`

`6.72*10^5`

`6.72* 10^6`

Finally, rewrite all the numbers as their given format:

`0.000672`

`67.2* 10^(-4)`

`6.72*10^5`

`672* 10^4`

Answer

`0.000672`

`67.2* 10^(-4)`

`6.72*10^5`

`672* 10^4`