Answer: 
Step-by-step explanation:
In order to solve this exercise it is important to remember the multiplication of signs. Notice that:

In this case you have the following expression given in the exercise:

Where the variable is "j".
When you multiply signs, you get:

Now you need to identify that like terms and then you need to add them (or combine them). So, applying this procedure you get that the simplified form of the expression is the shown below:

As you can observe, you get a 2nd degree binomial.
Answer:
2,4,8,16,32,64
Step-by-step explanation:
There are a couple of ways one could approach this. The goal is to find out the factor by which the numbers are increasing. Looking at going from 8 -> 16, we have either added 8, or doubled 8. So the factor is either +8 or x2. Going from 16 -> 32, adding 8 no longer holds true, while multiplying by 2 (doubling 16) does. To confirm what we have found, we can further check our math by using the final two numbers, 32 -> 64, to confirm that the sequence pattern is to double the current number to achieve the next number.
Working backwards, we can half each number to find out the first two numbers in the sequence. 64/2 = 32, 32/2 = 16, 16/2 = 8, 8/2 = 4, 4/2 = 2
Answer:
-7/12
Step-by-step explanation:
I used my calculator
Answer:
Step-by-step explanation:
<u>Total number of oranges:</u>
- 0*5 + 1*8 + 2*6 + 3*6 + 4*3 + 5*2 = 60
<u>Number of baskets:</u>
- 5 + 8 + 6 + 6 + 3 + 2 = 30
<u>Mean of the distribution of oranges:</u>
Correct choice is d
Answer:
12
Step-by-step explanation:
12 = 2 digits
1 + 2 = 3
1 < 2