1. [APPROXIMATION & ESTIMATION] Estimation
Given a long string of decimals, how do you roughly guess the final answer?2. [APPROXIMATION & ESTIMATION] Estimation
Express, and then estimate!3. [APPROXIMATION & ESTIMATION] Estimation
Shops use the $9.90 trick to alter customers' perceptions. Can you accurately estimate the item's cost?4. [APPROXIMATION & ESTIMATION] Estimation
Given a rounded off value, estimate maximum value of given expression5. [APPROXIMATION & ESTIMATION] Estimation
Estimate an expression6. [APPROXIMATION & ESTIMATION] Estimation
Estimate cost in real world context using exchange rates7. [APPROXIMATION & ESTIMATION] Estimation
Finding the least possible and greatest possible from