Question

16. How many 3-digit natural numbers are divisible by
7?
nmon difference. The first
Ahora com​

Answer 1

3-digit natural numbers that are divisible by 7 are

105,112,...................,994

first term(a)=105

common difference(d)=7

an=a+(n-1)d

994=105+(n-1)7

994-105=(n-1)7

889÷7=(n-1)

127=n-1

n=128