Write the following ratio using two other notations.
5to4
use only the numbers above (not any others).
notation one:
d
0: 0 oto
ロ=ン口
x 6 ?
notation two:

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16