Ask Singapore Homework?
Upload a photo of a Singapore homework and someone will email you the solution for free.
Question
Secondary 1 | Maths
One Answer Below
Anyone can contribute an answer, even non-tutors.
Please show working. Thanks
Date Posted: 4 years ago
Views: 177
See 1 Answer
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
With workings
Date Posted:
4 years ago
You should not be using a rounded off value of 0.0133 hour as this leads to a calculation error. Always strive to use more decimals or significant figures during intermediate workings to minimise rounding errors.
Correct is a perfect 60 km/h.
Speed in km/h
= 0.8 km / (0.8 / 60) h
= 60 km/h
Correct is a perfect 60 km/h.
Speed in km/h
= 0.8 km / (0.8 / 60) h
= 60 km/h
Agree. My bad, was trying to show the step by step method. Didn't occur to me that it would affect the ans. :)
360 Tutoring Program