Answer:
11.20
Step-by-step explanation:
Multiply both equations by 100:
19.99=1999
8.79=879
1999-879=1120
Divide by 100:
1120/100=11.20 saved ................
Answer:
Downwards
Step-by-step explanation:
Answer:
Step-by-step explanation:
Answer:

Step-by-step explanation:
Remember that 
Then,

But
and 
Then

343^1/3
=(7)^3*1/3 [ 3 and 3 are cancelled]
=7