Given z1 = and , what is the value of z1 – z2? cos(0) + isin(0) cos(0) – isin(0) cos() + isin() cos() – isin().

Based on calculations, students should have 10.4 grams of powder after conducting an experiment. the students get these results: 10.2 grams, 10.4 grams, 10.3 grams, 10.4 grams, and 10.5 grams. which words best describe this data? check all that apply. a- accurate b- falsified c-invalid d-precise e-redundant