Question

By writing each number correct to one significant figure, estimate the value of​ 21.86-9.64÷2.47​

Answer 1

Answer:

The right answer is "12.22". A further explanation is provided below in the explanation segment.

Explanation:

The given expression is:

⇒  21.86 - 9.64 ÷ 2.47​

By using the BODMAS (Bracket of division, multiplication, addition and subtraction) rule,

On applying division, we get

=  $21.86-\frac{9.64}{2.47}$

=  $21.86-3.91$

On applying subtraction, we get

=  $12.22$