Question

9) How many seconds are there in 2/3 of 2 hours?

10)One autumn morning the temperature went up from -4ºC to 5ºC.
a) By how many degrees did the temperature rise?
b) During the afternoon the temperature then fell by 7ºC from 5ºC. What was the
temperature at end of the afternoon?


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Answer 1

Answer:

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Answer 2

Answer:

9) Ans,

1 hour = 60 min =3600seconds

Therefore, 2 hour = 7200 seconds [3600+3600]

2/3 of 2 hours means,

2/3 × 7200

2 × 2400  ( Divide 7200 by 3 )

Therefore, the answer is 4800

10) 1st sub-question Ans.

8 degree

2nd sub-question Ans,

2 degree

{ You can manually calculate the answer to 10th question, I am not defining the steps.}

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