Please check my answer:
Place the numbers in descending order.
2.3 × 10−10 ; 3.2 × 10−10 ; 2.3 × 10−12 ; 2.3 × 10−8...
(3.2 × 10^-10 ; 2.3 × 10^-10 ; 2.3 × 10^-8 ; 2.3 × 10^-12)
Your answer is incorrect. Here's the correct order in descending order:
2.3 × 10^-8 ; 3.2 × 10^-10 ; 2.3 × 10^-10 ; 2.3 × 10^-12