Answer: first one
Step-by-step explanation:
Answer:
D inequality sign always open up to a smaller number
Step-by-step explanation:
Answer:
1/5^7 (the last one)
Step-by-step explanation:
When dividing exponents you subtract the the two exponents. In this case you subtract 3 from -4. -4-3=-7. So you have 5^-7. That is also equal to 1/5^7