Least weight of a baby giraffe is 1600 ounces.
Step-by-step explanation:
1 pound = 16 ounces
∴ 100 pounds = 100 × 16 = 1600 ounces
150 pounds = 150 × 16 = 2400 ounces.
⇒ So the weight of a baby giraffe is around 1600 - 2400 ounces.
∴ Least weight is 1600 ounces.