Answer:
A. 4(2y-9)
Step-by-step explanation:
Both terms are divisable by 4 and would bring them to the smallest whole degree
69 cm is one standard deviation below the mean
<span>for a normally distributed (bell curve) population </span>
<span>___ about 68% lie within one standard deviation of the mean ___ 34% above and 34% below </span>
<span>in this case , the 34% below the mean is added to the 50% above the mean (the 1/2 of the population equal to or longer than 79 cm) </span>
<span>so 84% of the population is longer than 69 cm</span>
Answer:

Step-by-step explanation:
We are to determine the value of
in scientific notation.
Given:

STEP 1: Remove the brackets.

STEP 2: Separate the numbers and index of 10.

STEP 3: Multiply the Numbers and Index of 10

STEP 4: Simplify and write in Scientific notation

Thus:
in scientific notation