Practice problem
What is 15÷415\div415÷4?
−4 R15-4\text{ R}15−4 R15
−3 R3-3\text{ R}3−3 R3
3 R33\text{ R}33 R3
15 R415\text{ R}415 R4
Type a concept, like “slope” or “photosynthesis”.