Question

Work out an approximation for 3.1 x 9.87​

Answer 1

Answer:

3 x 10= 30

Step-by-step explanation:

Round 3.1 to 3. Round 9.87 to 10. Plug numbers in.

Answer 2

Answer:

30.597

Step-by-step explanation:

3.1×9.87 (3 decimal places)

So, 31×987 = 30,597

Place the decimal places hence, 30.597