By rounding to 1 significant figure, estimate
(20.75×4.552) divide
(0.5234×9.823)
will get brainilest and rated good

Trigonometry hellllllpppppppp asap

The contents of 3838 cans of coke have a mean of x¯¯¯=12.15x¯=12.15. assume the contents of cans of coke have a normal distribution with standard deviation of σ=0.12.σ=0.12. find the value of the test statistic zz for the claim that the population mean is μ=12.μ=12.

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.