1.3 x 0.4 x 2 = 1.04
0.5 x 0.4 = 0.2
(

(0.5 x 1.2)) x 2 = 0.6
1.04 + 0.2 + 0.6 = 1.84m²
The probability of picking a black ball first is

, because there are 4 black balls and 1 white ball which is 5 balls in total. After picking the first ball, 4 balls remain - 3 black and 1 white, so the probability of picking a white ball is

.
So, the probability of picking a black ball first followed by a white ball is
Answer:

Step-by-step explanation:
1. Divide the coefficients and the exponentials separately

2. Divide the coefficients

3. Divide the exponentials
Subtract the exponent in the denominator from the exponent in the numerator.

4. Re-join the new coefficient and the new exponential

5. Put the new number into standard form
The number before the power of 10 must be greater than or equal to one and less than 10.
Multiply the answer by 10/10.

Answer:
9/4
Step-by-step explanation:
Answer:
It represents that Carmela's salary increases 5 percent each year.
Step-by-step explanation:
Her salary is modeled by the following function:

So

This means that for each year, Carmela's next year salary is going to 1.05 of this year.
So, in the context of this problem, the number 1.05 represents that Carmela's salary increases 1.05-1 = 0.05 = 5 percent each year.