Add or subtract the following numbers. even if you use a calculator to get the answer, rewrite the problem with the decimal points aligned separately. 3.14 + 17.8 =
a 4.92
b 29.2
c 2.094
d 20.94
what does it mean for the decimal points to be aligned separately? ?

Dr.cooper just started an experiment. he will collect data for 8 days. how many hours is this

In the pendulum formula t=2pi. read the problem on the picture ! ; $; $; ! ; ! ; ! ; )$; ! ; ! ; ! ; $; $; $! ; ! ; ); $; $$

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.