Find $0.3+0.1$0.3+0.1 giving your answer as a decimal.
Find $3.8+4.6$3.8+4.6 giving your answer as a decimal.
Find $8.7+4.8$8.7+4.8 giving your answer as a decimal.
Evaluate $0.7+0.01$0.7+0.01.
Use the four rules for calculations with decimals, including correct ordering of operations and use of brackets.