Marvin collects trading cards. he stores them in boxes that hold 235 cards each. if marvin has 4 boxes full of cards, how many cards does he have in his collection?
a)940
b)920
c)800
d)705

a² + b²= c²

24² + 7² = c²

c= 25

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