Question 5
The area of the South China Sea is 6.963 × 106 km2. The area of the Artic Ocean is 1.4056 × 107 km2. Find the total area. Write the final answer in scientific notation with the correct number of significant digits.
2.1019 × 107 km2
7.09 × 106 km2
2.102 × 107 km2
7.093 × 1013 km2
Question 14
Determine the distance between the points (−5, −3) and (−10, −8).
square root of 7 units
square root of 48 units
square root of 50 units
square root of 250 units
