The number 6,107,200 can be expressed using scientific notation as ________. a.) 610.72 cross times 10 cubed b.) 6.1072 cross times 10 to the power of 6 c.) 61.072 cross times 10 to the power of short dash 5 end exponent d.) 0.61072 cross times 10 to the power of short dash 7 end exponent