Question

By rounding each number to 1 significant figure, estimate the answer to 623 - 14.71 ÷ 0.54.​

Answer 1

623 to 1 significant number = 600

14.71 to 1 significant number = 10

0.54 to 1 significant number = 0.5

answer:

`\tt (600-10)/(0.5)=1180`