Question

(viii) 8.1 x 2.1 -3.6 - 1.8​

Answer 1

Answer:

$\frac{81}{10} \times \frac{21}{10} - \frac{36}{10} - \frac{18}{10}$

$= \frac{1701}{100} - \frac{54}{10}$

$= \frac{1701 - 540}{100}$

$= \frac{1161}{100}$

$= 11.61$

Answer 2

$8.1 \times 2.1 - 3.6 - 1.8 = 11.61$

Ans:11.61