I think yes it's correct but I'm not sure.
5.2×10^4=5.2×10000=52×1000=52000
Answer:
number 1 is true
Step-by-step explanation:
Answer:
1 hour
Step-by-step explanation:
We are given that
Day Hours
Sunday 0
Monday 1.5
Tuesday 2.5
Wednesday 2.5
Thursday 3
Friday 0
Saturday n
Mean number of hours of study per day=1.5
Mean=
Total number of days=7
Using the formula




Hence, number of hours you need to study on Saturday=n=1