Answer:
Step-by-step explanation:
7√144 - 11√45 + 6√500
= 7(12) - 11√(9×5) + 6√(100×5)
= 84 - 11(3)√5 + 6(10)√5
= 84 - 33√5 + 60√5
= 84 + 27√5
Answer:
42.27
Step-by-step explanation:
6.5 + 5.3 + 5.3 + 7.1 + 9.7 + 1.0 + 8.0 = 42.27
7 is the square root or 49 because 7 times Itself would be 49. (7x7=49)