Answer:
on #1 x=2 and y=2
Step-by-step explanation:
a squared + b squared = c squared
2 squared + 2 squared = 4 squared
4 + 4 = 8
Answer: 60
1.
4^16
2.
3× 10^3
3× 10^2
3× 10^1
3× 10^0
3× 10^-1
3× 10^-2
3× 10^-3
Now subtract.....
hence the answer is 3 ....
hope it helped !!!!