Could you tell me the answer to this question please due today it’s not multiple-choice

Answer:
a. 70
b. £400
c. 80 meters
Step-by-step explanation:
a. 68 becomes 70 (1 sig fig)
b. £382 becomes £400 (1 sig fig)
c. 76m becomes 80 meters (1 sig fig)
Ugly, but true.