Answer:
Step-by-step explanation:
all you really need to do is multiply your decimal (15.8) by your percent (5) so, you problem would look like 15.8(.05) (note it is .<em>0</em>5 because there need to be 2 decimal places) so, your answer is .79
The expanded form would be 100.000 +20.000+0.000+.500+.070+.001
Answer:
63.6
Step-by-step explanation:

I think 1/4 is a good answer?

and
Answer:
1 acute and 2 right (the last option)