For the answer to the question above asking <span>what is the probability that a randomly selected student will be a boy that brings his lunch to school? I'll provide a solution for the following problem below.
</span>P(boy |lunch) = P(boy and lunch)/P(lunch) = 0.40
P(boy and lunch) = P(lunch)*0.4 = 0.3*0.4 = 0.12
Answer:
C
Step-by-step explanation:
C because you multiply the nimbers and then divid.
By using scientific notation we calculated (2.3
10⁵)(1.5 10⁴) we got 345 10⁷.
Given that,
(2.310⁵)(1.5 10⁴)
By using scientific notation
The scientific notation allows us to express extremely large or extremely small numbers by multiplying them by single-digit integers and by 10 raised to the power of the corresponding exponent. The exponent is either positive or negative depending on how big or little the number is.
Now, we calculate
(2.310⁵)=2.5100000=230000
(1.5 10⁴)=1.510000=15000
Now,
=23000015000
=3450000000
=345 10⁷
Therefore, By using scientific notation we calculated (2.310⁵)(1.5 10⁴) we got 345 10⁷.
To learn more about scientific notation visit: brainly.com/question/18073768
#SPJ1
Answer:
B should be the answer but it could but C
Step 1: Find the Lowest Common Multiple between the denominators.
Step 2: Multiply the numerator and denominator of each fraction by a number (the one that will get them to the lcm) so that they have the LCM as their new denominator.
Step 3: Add or subtract the numerators and keep the denominator the same.
