Transcript 7.8 light years

Teacher's Notes
Topic: Num - standard form
Light years L8
(a) One light year is approximately 9 430 000 000 000 kilometres.
Write this distance in standard form.
(b) A star called Wolf 359 is approximately 7.8 light years from Earth.
About how many kilometres is this?
Write your answer in standard form.
Create and answer questions such as:
"If you travel at 70mph, how long will it take to get to Wolf 359 ?"
Light years
(a) One light year is approximately 9 430 000 000 000 kilometres.
Write this distance in standard form.
(b) A star called Wolf 359 is approximately 7.8 light years from Earth.
About how many kilometres is this?
Write your answer in standard form.