Question

Convert 2.0137 hours in minutes with due regards to significant figures.​

Answer 1

Answer:

we multiply by 60

so,

2.0137 he

=2.0137×60 min

=120.882 minutes

answer

Explanation:

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Answer 2

Answer:

The correct answer is 120.8minutes.

Explanation:

• There are 60 minutes in one hour.
• So, we multiply the given number by 60 to obtain results in minutes.
• $we \: have \: \\ 2.0137 \times 60 \: min \: \\ = 120.822 \: minutes \:$
• The digits that are known reliably plus the first uncertain digit are known as significant digits or significant figures.
• The results of computation with approximate numbers, which contain more that one uncertain digit should be round off.
• Here, the answer is 120.822 .It has 6 significant figures. This needs to round off to 3 significant figures.
• If the digit to be dropped is less than 5 , then the preceding number is left unchanged.
• Hence, 120.822 will be round off to 120.8 minutes.
• 120.8 minutes is the correct answer with due regards to significant numbers.

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