Select all statements that show correct reasoning for finding 15 = 3 1. Multiply 15 by 2, then divide by 9.

2. Multiply 15 by 9, then multiply by

3. Multiply 15 by 9, then divide by 2.

4. Multiply 15 by , then multiply by 2.

1.) 15x2=30    30/9=10/3

2.)15x9=135

3.)15x9=135     135/2=135/2

Step-by-step explanation:

the 8 in 8,420 is in the thousands place so it's value is 8 thousand.

the 8 in 6,870 is in the hundreds place so it's value is 8 hundred.

divide 8000 by 800 to find the answer:

8000 / 800 = 10

the 8 in 8,420 is 10 times greater than the 8 in 6,870