pls check

write 0.000436 in scientific notation answer 4.36 X 10^-4

write 8,350,000 in scientific notation my answer: 8.350 X 10^3

evaluate the expressions 2(4/7)^0 my answer 2 (-8)^0 my answer 1

A representative form of democracy includes which of the following? (Points : 1) Ballot initiatives Public referenda Election of delegates Stakeholder collaborations MY answer stake holder collaborations Passage of the Comprehensive Environmental Response...

A researcher has conducted an experiment in which she has given participants a placebo, 10mg, and 20mg of a drug. She then measured their anxiety, blood pressure, and heart rate in response to the drug. How many levels does this experiment’s independent v...

Solve the following system of equations. 4x+9y=10 x= 5x+18y=19 y=

S={(3,2),(-4,-5),(2,-5)} domain 3,-4,2 range 2,-5

Question 5 of 10 A z-score of 2.0 is two standard deviations above the mean of the distribution (t). True False I chose answer A The z scores is a ratio of difference to variability (t). True False I chose False Question 6 of 10 What’s the probability tha...