The second and the third one because first is the same as 3 4/7 and 81=3^4
Answer:
120
Step-by-step explanation:
15*8=120
Answer:
9.6
2.4.
Step-by-step explanation:
It is easy. If you do with calculator it's easy.
2 tens, and 8 ones. I say this because 20 = 10 + 10 so, two tens. 8= 1+1+1+1+1+1+1+1 so, eight ones.