If you subtract 1.1 from 5.8 you will end up with 4.7
then you subtract 10^7 from 10^8 which will give you 10^1
then you add the seven back which will give you your answer of
4.7 10^8
-5 because a negative plus a negative is a positive this is why it is the right answer
Answer:
Step-by-step explanation:
Using the sum (addition) and two 2-digit addends, 12 + 34 can be answered without regrouping.
