10-7 is the same as 1/107, or 0.000 000 1
So 3*10-7 = 0.000 000 3
In words, 10-7 is one in ten million. So you are talking about three in ten million.
Chat with our AI personalities
10 to the power 3 means 10*10*10, or 1000 10 to the power MINUS 3 means 1 over 10 to the power 3, so 1/1000.
10-3 is equivalent to 0.001.
3 to the power of 1 is 3. 3 to the power of minus 2 is equal to 1 over 3 to the power of 2. 3 to the power of 2 is 9. 3 to the power of 1 times 3 to the power of minus 2 is the same as... 3 divided by 3 to the power of 2. So that gives us 3 divided by 9 which is the same as 1/3.
3 times 10 to the 8th power divided by 7 times 10 to the negative 7th power equates to: 4.28571428571
676