test the divisliblity of 83001 and 42179 by 3
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Answered by
0
Answer:
the divisibility rule of 3 is
Add all digits in the number and check whether it is divisible by 3 or not...if yes the whole number will divisible by 3
Step-by-step explanation:
83001 ------- 8+3+0+0+1 = 12
12 is divisible by 3
that means the whole number will be divisible by 3!!!!
3 ) 83001 ( 27667
6
——————
23
21
——————
20
18
——————
20
1 8
——————
21
21
——————
0
——————
DO THE SAME FOR "42179"
42179 -------- 4+2+1+7+9 = 23
23 IS NOT DIVISIBLE BY 3
SO,THE WHOLE DIGIT IS NOT DIVISIBLE!!!
Answered by
0
Answer:
no because 830001 is divisible by 3 but not 42179
Step-by-step explanation:
divisibility of 3 = sum of all the digits is a number in 3 table.
83001 :
8+3=11
11+0+0=11
11+1= 12 which comes in 3 table
4+2=6
6+1=7
7+7=14
14+9=23 it does not comes in 3 table
hence ,it is not divisible by 3
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