What I would do is break up into part. First do 10*10*10 which is 1,000. Then add 56 and 50 which is 106. after you do that and get 1,106 divded it by 25 which is 42.54. Hope I helped.
Are you sure this is the COMPLETE problem?
the answer is c 0.81-0.46=0.35 hope this helps
