Question

10 centuries. +5decades=-years.
​

Answer 1

Step-by-step explanation:

150 years

Because 10 centuries = 100 years and 5 decades = 5 X 10 =50

100 + 50

150 years

Answer 2

Answer:

1050 years

Step-by-step explanation:

1 century=100 years

1 decade=10 years

100*10+5*10

1000+50=1050