Question

Help what are the answers FAST

Answer 1

1:

2: 0×yaren1.55×10

24

0×y

Answer 2

Since the other person didn’t answer question 1:

1- This is 0.28 x Avagadro’s Constant
= 0.28 x (6.02214086x10^23)
= 1.68619944x10^23