Answer:
C Because divide 56/7 =8.
Turn 5/10 to 50/100. Then add 50/100+25/100 which equals 75/100 ---> 3/5 ---> 0.75
The deviation of the set of data is 678
Answer:
B. it's not useful for this question
Answer:
Step-by-step explanation:
= 3^1/2 x 3^1/5 = 3^(1/2 +1/5) = 3^7/10