A photographer is arranging 3 puppies in a row for a photo. There is one black puppy (B), one tan puppy (T), and one white puppy
(W). Which list shows all the possible arrangements of the puppies? A:TWB, BTW, WBT
B: BTW, BBB, TTT, WWW, BBT, BBW, TTB, TTW, WWB, WWT
C: BTW, BWT
D: TWB, TBW, BTW, BWT, WBT, WTB
Multiplication is basically repeated addition. So to convert repeated addition to multiplication, we take the number being added (7) and multiply it be the number of addens (5). Therefore, 7+7+7+7+7 = 5 • 7
