0.0000001
53,800,000
No. 2 times 10 to the seventh power is 20,000,000 or twenty million. 2 to the seventh power is 2x2x2x2x2x2x2 which is 128.
1,130,000,000
25,400,000
125,000,000
2.3*10 to the seventh power
10 to the seventh power - or 10,000,000. When multiplying numbers with exponents - you add the exponents together.
32.5*10-7 = 0.00000325
10,000,000
250,000 because 5times 10 is 50 to the 7th power is 250,000
5.20 x 10-7 = 0.00000052