Answer:
5.1 centimeters (5.08 not rounded)
Step-by-step explanation:
1 inch=2.54 centimeters
2.54*2=5.08
Density = Mass/Volume
D = M/V
D = 0.07/0.063
D = 1.111111111111111
Volume of a rectangular prism is WHL
Volume of a rectangular prism is <span>0.3 m * 2.1 m * 0.1 m
</span>Volume of a rectangular prism is 0.063