Answer
A) m; 1000x smaller than the unit it precedes
B) n; 1 billion times smaller than the unit it precedes
C) d; 10x smaller than the unit it precedes
D) c; 100x smaller than the unit it precedes
Work Step by Step
A) Write the symbol and meaning of milli.
B) Write the symbol and meaning of nano.
C) Write the symbol and meaning of deci.
D) Write the symbol and meaning of centi.