Answer :

the dot means to mutiply
so 43 x 10025 -50
since BEDMAS is applied,
we would do the multiplication first
43 x 10025 = 431075 
and 431075 - 50 is 431025
FINAL ANSWER: 431025

the right answer is 255 i know because took the test and got it wrong by putting 431025 and the gave me the right answer is 255