0
Wiki User
104 = 10000
10-4 = 1/104 = 0.0001
4/10 = 2/5
81
1
1/10 to the 7th power equals 1,000,000
Yes, 4/10 simplifies to 2/5
40/10 = 4
2/5 or 40%
10
0.4
10-7 = 0.0000001
161/2 = 4