Answer:
v=a×b×c
v=8.53 cm ×2.4 cm ×1.0 cm
d=m/v
d=52.7064g
20.472 cm3
d=2.57 g/ cm3
64.3333333333
Step-by-step explanation:
Simplify the expression. Tap for more steps... Rewrite 64 64 as 43 4 3 .
The square route of 0.45 is 0.7.
Use the formula for direct variation
10% of 80 = 8
80 - 8 = 72
if they are 10% off, the contact lenses will cost $72
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