Question 4 5 pts
Saudi Arabia had a reported 381.5 billion dollars' worth of exports in 2012. Which of
the following correctly represents this in Scientific Notation?
O 381.5 x 10°
3.815 x 1013
O 3.815 x 10°
3.815 x 1011

Enter the missing numbers in the boxes to complete the table of equivalent ratios of lengths to widths. ? 18 8 ? 10 30 12 ?

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?