Answer: 2(10+5)
Step-by-step explanation: half of 20 is 10. half of 10 is five and i put them both in parentheses. outside the parenthesis i placed 2 so it is multiplied to the inner set of numbers.
Answer:
1−2^-3/3
=1−1/8/3
=1−1/24
=23/24
3
Step-by-step explanation: