The choices are a. he traveled 2 meters every 5 seconds, b.every 10 seconds he traveled 4 meters.,c. he traveled 2.5 per second.,d. he traveled 0.4 meters per second. e.every 25 seconds, he traveled 7 meters

$450 is the answer.

step-by-step explanation:

30% of 450 = 135

450-135=315

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