How do you put 430 hundredths in a decimal point

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c =

If np3 /nc2 = 6, find the value of n

Meee i honestly dont know what this question talking about