1. B
2. A
3. B
4. A
Is your answer
Answer: 8
Step-by-step explanation: That digit above the 2 is a exponent. It represents the number of times 2 is multiplying itself. This is simply 2x2x2. 2x2x2=4x2=8
Answer: b) 15.7
<u>Step-by-step explanation:</u>
Look at the z-table (below) to find 0.2500
Notice that the value is not on the table but is between 0.2486 and 0.2517 which are located on the z-table at 0.67 and 0.68
The given value is closer to 0.2486 so use 0.67 as the z-score.
Now, let's find the x-value using the formula: 
