Answer:
0.0048 or 0.48%
Step-by-step explanation:
Please see the attached files for details.
Answer:

Step-by-step explanation:
<u>Convert a Repeating Decimal to a Fraction
</u>
We need to convert the following decimal to a fraction:

Let's call x to the given number:

The number has two repeating (periodic) decimals, thus we multiply by 100:

Note the decimals continue to repeat exactly like the original number.
Subtracting both expressións, the repeating decimals are simplified:

Operating:
99x=-37
Dividing by 99:

The fraction cannot be simplified, thus:

Answer:
Step-by-step explanation:
1 grain = 6×10⁻⁶ g
- 7200 kg =
- 7200000 g =
- 7.2×10⁶ g =
- 7.2×10⁶ ÷ 6×10⁻⁶ =
- (7.2÷6)×10⁶⁻ ⁽⁻⁶⁾ =
- 1.2×10¹² grains
Answer:
a^14b^12
Step-by-step explanation:
okay so lets distribute the 2
so you get -a^6b^10 and a^8b^2
add