1. Suppose that 6472 had a 2 for its unit digit. That is, suppose .6472=19,381,6……2. What would the unit digit of 6473 be? 🔗 Hint. .6473=6⋅6472.🔗 🔗 🔗
2. What is the unit digit of ,62, of ,63, and of ?64?🔗 The unit’s digit of 62 is .🔗 The unit’s digit of 63 is .🔗 The unit’s digit of 64 is .🔗 🔗
3. Which of the following are true? Select all that apply.🔗 If the unit’s digit of 6k is a 6, then the unit’s digit of 6k+1 is a 6.🔗 If the unit’s digit of 6k is a 2, then the unit’s digit of 6k+1 is a 2.🔗 The unit’s digit of 6472 is a 2.🔗 The unit’s digit of 6472 is a 6.🔗 🔗