Answer:
108.02cm³
Step-by-step explanation:
First, rearrange the formula: density = mass/volume so that volume is the subject: volume = mass/density
Next, substitute (plug in) the values:
volume = 849 ÷ 7.86 = 108.01526... ≈ 108.02cm³
The volume of the knife is 108.02cm³
Hope this helps!