Question

In a year, the United States consumes about 146,000,000,000 gallons of gasoline. Express this number in scientific notation. A) .146 x 1012 B) 1.46 x 1011 C) 14.6 x 1010 D) 146 x 109

Answer 1

B, because in scientific notation you must start out by only having 1 number before the decimal. Then you count backwards to see what to multiply