How many three-digit numbers are divisible by 7?
Answers
Answered by
2
Answer:
maybe two
Step-by-step explanation:
bevause 7 is a number that diviede difficulty
Answered by
0
Answer:
128
Step-by-step explanation:
the first 3 digit no divisible by7 are 105, 112, 119..........994which forms an AP
consider
T(n)=a+(n-1)d
where
a=105
d=7
T(n)=994
994=105+(n-1)7
889=7n-7
7n = 889+7
7n=896
n=896/7
n=128
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