Final answer:
To write the distance from Brisbane to Landsborough in scientific notation, we move the decimal point to create a number between 1 and 10 and determine the power of 10 based on the number of places we moved the decimal point.
Step-by-step explanation:
The distance from Brisbane to Landsborough is 86,940m. To write this distance in scientific notation, we need to move the decimal point to create a number between 1 and 10. In this case, we move the decimal point four places to the left, giving us 8.694. The power of 10 is determined by the number of places we moved the decimal point, so in this case, the power of 10 is 4. Therefore, the distance in scientific notation is 8.694 x 10^4 m.