What is the correct way to write 1,550,000,000 in scientific notation?
1.55x 109
1.55 x 1010
15.5x 103
15.5x 10

a

Explanation:

scientific notation is about how many places passed the decimial place you are moving. therefor in order to get  1,550,000,000 you would move the decimial from 1.55 over nine times to the right

a.1.55x 109

Explanation:

In the study of Physics and Mathematics, sometimes we see very large or very small numbers. In both cases, the number of digits to write is very large. There is a simple and practical way of writing such numbers without having to write many zeros, this method is known as scientific notation. In the case we use a power of 10:

1,550,000,000 = 1.55x109

c-14 is carbon-14, or radiocarbon.   it is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.