I think it’s 5
Step-by-step explanation:
Well if you go on calculator 16 * 5 which would represent m - 0.4 would give you the answer 0.4.
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