Justice:
144.703125
• 5.25^3 = 5.25 × 5.25 × 5.25 =
Blaire:
• 6.1 × 10^3 = 6.1 × (10 × 10 × 10) = 6100
Denzel:
• 5.78 × 10^2 = 5.78 x (10 × 10) = 578
Piper:
• 3.5 × 10^3 = 3.5 × (10 × 10 × 10) = 3500
Therefore, only Denzel and Piper completed the task correctly.