What is the sign of the product (3)(–3)(–2)(4)?

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Which speed is the fastest (use 1 mile ≈ 1.6 kilometers)? a. 12 miles/hour b. 18 feet/second c. 19 kilometers/hour d. cannot be determined

Which measure is equivalent to 110 ml? 0.0110 l 0.110 l 1.10 l 11,000 l