Answer:
20%
Step-by-step explanation:
Value increased in 5 years = £95000 - £80000 = £5000
Value increase in 1 year =5000/5 = 1000
Increase % = (1000/5000 ) * 100 = (1/5) *100 = 20%
Yup, the amount of 0's is the exponent. for example 1000= 10^3, hope this helped :)