Answer:
0.7 is greater as it is closer to 1 than 0.5. Consider a number line: 0–0.1–0.2–0.3–0.4–0.5–0.6–0.7–0.8–0.9–1
As you can see feom the bold numbers - 0.7 is closer to 1 than 0.5. Therefore is the greater number. I hope this answers your question