Pamela sanders needs to pack 47 coat hangers. can you recommend how she could tie them together in a number of equal-size groups greater than 1 and less than 47.

  Such grouping is not possible.

Step-by-step explanation:

47 is a prime number. It is only divisible by 1 and 47, so no grouping into equal-size groups is possible for numbers other than those.

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