dbarlam
dbarlam dbarlam
  • 04-02-2021
  • Mathematics
contestada

pls help
How can you tell without doing division if a number is a multiple of 3?

Respuesta :

dlampp123
dlampp123 dlampp123
  • 04-02-2021

Answer:

you add the numbers up and if they are a multiple of 3 it can be divided by 3

Step-by-step explanation:

123

1 + 2 + 3 = 6

6 is a multiple

455

4 + 5 + 5 = 14

14 is not a multiple

Answer Link
Ex0t1c Ex0t1c
  • 04-02-2021

Step-by-step explanation:

A number, if the sum of its digits is

divisible by 3, is divisible by 3. For example, 375, since the sum of its digits

(3+7+5) is 15, is divisible by 3. And fifteen

is divisible by 3. Divisible by 3 is 1+2=3 and 3.

Answer Link

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