Complex numbers should be in the form ( a + bi ) where " a " and " b " need to have explicitly stated values .
For example : { 1 + 1i } is valid whereas { 1 + i } is not . { 0 + 9i } is valid whereas { 9i } is not .
If a coin is tossed seven times , how many different outcomes are possible ? Place your answer in the blank . Do not use any decimal places or commas . For example , 345 would be a legitimate entry
16 .
Accepted characters : numbers , decimal point markers ( period or comma ), sign indicators ( - ), spaces ( e . g ., as thousands separator , 5 000 ), " E " or " e " ( used in scientific notation ). NOTE : For scientific notation , a period MUST be used as the decimal point marker .
Complex numbers should be in the form ( a + bi ) where " a " and " b " need to have explicitly stated values .
For example : { 1 + 1i } is valid whereas { 1 + i } is not . { 0 + 9i } is valid whereas { 9i } is not .
Mothers Against Drunk Driving ( MADD ) is a very visible group whose main focus is to educate the public about the harm caused by drunk drivers . A study was recently done that emphasized the problem we all face with drinking and driving . Five hundred accidents that occurred on a Saturday night were analyzed . Two items noted were the number of vehicles involved and whether alcohol played a role in the accident . The numbers are shown below :
Number of Vehicles Involved