Question

The speed of light is 186,000 miles per second. What is this speed in scientific notation?
1.86 × 105 miles per second
0.186 × 106 miles per second
186 × 103 miles per second
18.6 × 105 miles per second

Answer 1

move the decimal until there is one whole number

Answer 2

that makes it
\(1.86*10^5\)

Answer 3

ok thank you

Answer 4

yw ^_^

Answer 5

exactly...put the decimal after the first number, then count how many places there are from the decimal to the end of the number