Standard form:
Since the exponent of the scientific notation is negative −14, move the decimal point 14 places to the left. 0.00000000000006359.
2 hundred thousands
5 ten thousands
3 thousands
7 hundreds
6 tens
1 ones
When there is a - in front of an expression in parentheses, change the sign of each term in the expression to +
Calculate the LCM of denominators
Calculate the difference
Answer:
b
Step-by-step explanation:
Answers:
a) 0.0625
b) 0.9375
==================================================
Work Shown:
The probability of landing on heads is 1/2 = 0.5 since both sides are equally likely to land on. Getting 4 heads in a row is (1/2)^4 = (0.5)^4 = 0.0625
The event of getting at least one tail is the complement of getting all four heads. This is because you either get all four heads or you get at least one tail. One or the other must happen. We subtract the result we got from 1 to get 1-0.0625 = 0.9375
You can think of it like this
P(getting all four heads) + P(getting at least one tail) = 1
The phrasing "at least one tail" means "one tail or more".
