Question

(Find the value of 2.7954×6.841 correct to one decimal place )
(a) 19
(b) 12
(c) 19.1
(d) 8.5
​

Answer 1

The answer is 19.123313
But since it is said correct to 1 decimal place,
Therefore, the answer is 19

Answer 2

$Product \:of \:2.7954 \times 6.841 \\= 19.1233314$

Round 19.1233314 to 1 decimal place:

1. We start by putting a ring around our key digit.

Now the question has asked for 1 decimal place , so our key digit is the 1 , as it is occupies the 1st decimal place .

2. Next we look at the digit to the right to it the unwanted number 2 .It is less than 5 , so we leave the key digit alone .

3. So, to one decimal place , our answer is 19.1

Therefore.,

$Option \: \pink { ( c ) } \:is \: correct.$

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