Answer:
TanФ=-1.793
Step-by-step explanation:




0.8 x 103 because the first number cant be less then 1 or more then 9 you would have to move the decimal to make the equation correct
0.88......ones (decimal), tenths, hundredths
so 8 is in the tenths place....8/10
Answer:
r=3
Step-by-step explanation:
if n=10
r=n-7
r=(10)-7
r=3