Answer: 4.647
Step-by-step explanation:
The 4 in the hundredths place, or before the 6, is less than 5 so it will not round the 6 to a 7, therefore making it not round to 4.7
Answer:
325555555
Step-by-step explanation:
We can add only odd numbers. Let's assume that we're dealing ONLY with positive numbers. Which two odd numbers add to 20? 1+19 qualifies.
So do 3+17, 5+15, 7+13, 9+11.
Answer:
Step-by-step explanation:
Notice that H is a set with 106 - 81 = 25 elements.
Hence H has
subsets.
In order to get the proper subsets of H we just need to deduct one from 
So there are
proper subsets.