Evaluating Square Roots and Cube Roots Using Given Approximations (Without a Calculator)
Evaluating Square Roots and Cube Roots Using Given Approximations (Without a Calculator)
IP 1
TGM Original Questions
Correct to \(4\) significant figures, \(\sqrt{6.51}\approx 2.551\), \(\sqrt[3]{6.51}\approx 1.867\) and \(\sqrt{65.1}\approx 8.068\) , without using a calculator, evaluate,
- \(\sqrt{651}\) ,
- \(\sqrt{6510}\),
- \(\sqrt{0.0651}\),
- \(\sqrt[3]{6510}\).
Video Solution:
Video solution locked
A free account saves your progress; this video needs tuition enrolment.
Solution:
Solution locked
680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs tuition enrolment.
Create a free account to practise similar questions.
Answer:(a) \(25.51\), (b) \(80.68\), (c) \(0.2551\), (d) \(18.67\), all approximate.
Need help? Join our IP Math tuition programme.
Learn more