Arnie designed a new game, described here. How much should he charge to make this a fair game?
o 4 no prize (value $0)
o 4 small prize (value $2)
o 2 large prize (value $7)

it would be 6xy and -16xy.

the mistake in the pattern is that :

b. the decimal point was moved one too many place values each time

the correct pattern could be made by :

b. moving the decimal point to the right the same numbers of place values as the exponents