Answer:

mass = 3.645 g
volume = 9×9×9
= 729 cm³
density = 3.645/729
= 0.005 gcm^-3
Step-by-step explanation:
the volume is 729 cm³ cause the given height is 9cm and it is a cube. cube has equal sides so their lengths are the same.
volume = length × height × width
Answer:
62.9
Step-by-step explanation:
Follow the rounding rules.
Remember the tenths place is one place after the decimal point.
Answer:
63
Step-by-step explanation:
Answer:
b c d
Step-by-step explanation: