Answer:
a. 3x^2 = 81
x^2 = 27
Step-by-step explanation:
Answer: -6 is your answer
Answer:
B. A sample in which the subjects themselves decide whether to be included in the study.
Step-by-step explanation:
In other words a voluntary response sample is a sample made up of volunteers o people who choose to be inlcuded.
0.000000109 in scientific notation will look as it follows:
1.09 * 10^-7
or
<span>
1.09 E-7
It's the same as 1.09 * (-10000000)
I hope it'll give you some clue of scientific notation with decimals.</span>
Answer:
210
Step-by-step explanation:
6×7×10÷2=210
hope this is correct
