Approximation, rounding and estimation

Approximation, rounding and estimation Quiz

IB MYP Maths Standard: Quiz

Studying this course? Keep your progress in one place.

Pick an answer for each. Quizzes never use energy.

5 questions, one answer each

Each answer is checked as you go, with why.

See all 5 questions

1. Round $0.04752$ to $2$ significant figures.
- A. $0.048$
- B. $0.047$
- C. $0.05$
- D. $0.04$
2. Round $3.14159$ to $3$ decimal places.
- A. $3.141$
- B. $3.14$
- C. $3.142$
- D. $3.1416$
3. Which is the best estimate of $\frac{48.2\times5.1}{0.52}$ ?
- A. $50$
- B. $500$
- C. $5000$
- D. $250$
4. An exact value is $40$ and an approximation is $38$ . What is the percentage error?
- A. $2\%$
- B. $5.3\%$
- C. $10\%$
- D. $5\%$
5. Round $7603$ to $2$ significant figures.
- A. $76$
- B. $7000$
- C. $7600$
- D. $8000$