60 people are in the band
Z = (x - mean) / SD = (79 - 70) / 3 = 3
<span>P (Z > 3)? = 1 - F (z) = 1 - F (3) = 0.00135</span>
To divide scientific notation, divide the decimals and subtract the powers of 10 for a result of 8.6/3.2=2.6875 multiplied by ten to the 8-3=5. B is the correct answer.
Answer:
12.3
Step-by-step explanation:
Round it where you have 3 numbers that are not 0.
12.3456
round to the hundredths place
12.34 (round to 4)
12.3 (3 sigfigs)
