Hiroki wrote a number that is the opposite of -3. what number did hiroki write? a. ⅓ b. 3 c. 0 d. -3

Think about a number line. Where is -3 on a number line? 3 units to the left of 0. If you want to find the opposite number, all you have to do is start at 0 and move three units to the right. The answer is B, 3.