Without the use of a calculator, estimate the value of $\frac{22.097 \times 1.98}{3.97}$ correct t

Question

Without the use of a calculator, estimate the value of $\frac{22.097 \times 1.98}{3.97}$ correct to $1$ significant figure. Using your result in (a), estimate the value of $\frac{22097 \times 0.0198}{39.7}$ correct to $1$ significant figure.

Accepted Answer

(a) $10$ (b) $10$

Solution:

Handwritten & Typed Solutions