Question

8. a) If 8 is a factor of a number, explain
why 2 and 4 must also be factors of
the number.
b) Explain why 8 is a factor of 8 * 10

Answer 1

A.) Since 2 and 4 are factors of 8, they will be factors of a number by extension. For example, 8 is a factor is 16; and 16 is divisible by 2 and 4 because of that.

B.) 80 / 8 = 10.

Answer 2

Answer:

Step-by-step explanation:

2 goes into 8, four times, meaning 2+2+2+2 have 4 twos and this goes into 8. This is the same for the number 4

8 is a factor of 8*10 because 10 is multiplied by 8