Answer: 7.3
Step-by-step explanation:
Do the parentheses first!
4-7= -3
Then, multiply -3 by 2
-3×2= -6
Next,
-6-6.7= -12.7
Then, add -12.7 to 20
-12.7+20=7.3
Your answer is 7.3
Answer:
1/6561
Step-by-step explanation:
3^-2 = 1/9
1/9^4 = 1/6561
Answer:
t=11/6
u=1/9
Step-by-step explanation:
Answer: The answer is - x-5/4
Step-by-step explanation:
Answer:
b...
Step-by-step explanation: