answers correctly solved 2025
formulation of a hypothesis, development of a hypothesis, prediction, testing
prediction, analysis of experiment - correct answer ✔What are the steps of
the scientific method?
qualitative - correct answer ✔What kind of data contains no numerical
information?
quantitative - correct answer ✔What kind of data contains numbers and a
scale (unit)?
qualitative - correct answer ✔Qualitative or quantitative?
Extracts from Pacific-yew bark kill cancer cells.
quantitative - correct answer ✔Qualitative or quantitative?
Compound "13a" is twenty times more effective than paclitaxel in killing
ovarian cancer cells.
grams (g) - correct answer ✔SI unit for mass
meters (m) - correct answer ✔SI unit for length
liters (L) - correct answer ✔SI unit for volume
joule (J) - correct answer ✔SI unit for energy
,Kelvin (K) or Celsius (degrees C) - correct answer ✔SI unit for temperature
mole (mol) - correct answer ✔SI unit for amount of something
seconds (s) - correct answer ✔SI unit for time
10^6 - correct answer ✔factor for mega (M)
10^3 - correct answer ✔factor for kilo (k)
10^-1 - correct answer ✔factor for deci (d)
10^-2 - correct answer ✔factor for centi (c)
10^-3 - correct answer ✔factor for milli (m)
10^-6 - correct answer ✔factor for micro
10^-9 - correct answer ✔factor for nano (n)
10^-12 - correct answer ✔factor for pico (p)
10^-15 - correct answer ✔factor for femto (f)
, do not - correct answer ✔Leading zeros are zeros that precede all the
nonzero digits. These ________ count as significant figures. (do/do not)
do - correct answer ✔Captive zeros are zeros between nonzero digits.
These _______ count as significant figures. (do/do not)
do not, do - correct answer ✔Trailing zeros are zeros at the right end of the
numbers. They ______ count as significant figures if the number DOES NOT
contain a decimal point. They ________ count as significant figures if the
number DOES contain a decimal point. (do/do not)
2 - correct answer ✔How many significant figures are in 0.048?
4 - correct answer ✔How many significant figures are in 16.07?
4 - correct answer ✔How many significant figures are in 9.300?
2 - correct answer ✔How many significant figures are in 150?
3 - correct answer ✔How many significant figures are in 2.12?
4 - correct answer ✔How many significant figures are in 4.500?
4 - correct answer ✔How many significant figures are in 0.002541?
3 - correct answer ✔How many significant figures are in 0.00100?
3 - correct answer ✔How many significant figures are in 500. ?