JAMB 1988 · UME · Q4

Find, correct to one decimal place, $0.24633 \div 0.0306$ .

Worked solution (try it first)

Multiply top and bottom by 10 000 to clear the decimals: $0.24633 \div 0.0306 = 2463.3 \div 306$ .
Divide: $2463.3 \div 306 = 8.05$ .
To 1 decimal place, the second decimal is 5, so round up: 8.1, option D.