1/6^3 is also equivalent to 6^-3. It can be reverted back to 1/216. Answers on ed2020 are A. and D.
£7200
In first year depreciates by 20%, that is it is worth 80% of it's original value
80% =
= 0.8
value after 1 year = 0.8 × £10000 = £8000
In the second year it depreciates by 10% of it's value, that is it is worth 90% of it's value at the end of the first year.
90% =
= 0.9
value after 2 years = 0.9 × £8000 = £7200
Answer:
A. 5(-20)
Step-by-step explanation:
Since she repeatedly withdrawals money, the answer would be negative, so you can say that the other answers are definitely wrong.
Hope this helps :)

If two fractions have the same numerator, the fraction with the smaller denominator is bigger.

3/8 is bigger.