Square number actually means the product can be multiplied by the same number, for example
2 = 1x1
4 = 2x2
9= 3 x 3
so 9 can be square rooted so it's a square number
also 4x4 is 16 not 8 and 8x8 is 64 not 16 :)
Answer:
decrease of 5%
Step-by-step explanation:
always start of by finding 10% which would be 100 students
1000-100=900
you would still have 50 students left
half of 100 is 50 so half of 10% is 50 students
5%=50 students
Answer:
B
Step-by-step explanation:
B, -9 < -7 it is correct ansewer