It would be x^10. When you multiply you add the exponents
(4.2*10^-1)*(5.7*10^-1) = (4.2*5.7)*(10^-1 * 10^1)
23.94*10^-2 = .2394
moving the decimal one place to the left is the same thing as dividing by 10 or multiplying by
1/10. 2.394*10^-1, that is the answer you're looking for, B
Firs movie was 100min
Second movie was 1h and 55min
1h is 60min
So 60+55=115
Ans:second movie was longer by 15min
<h2>
Answer:35 ways</h2>
Step-by-step explanation:
is the number of ways of choosing 
distinct objects from a lot of 
distinct objects.
In the given question,
So,
So,there are 
ways in which three distinct cards can be selecte from seven distinct cards.
