4 floors with 6 class rooms each = 6*4 = 24 total class rooms.
24 class rooms x 34 students in each one = 816 total students.
Answer:

Step-by-step explanation:

Answer:
b) 5:11
Step-by-step explanation:
count the orange squares and the white squares
Answer:
1.02×10¹ = 10.2
Step-by-step explanation:
We have given a number in scientific notation as follows 1.02×10¹
We need to convert it into standard notation.
1 is in ones place, 0 is in tenths place and 2 is in hundredths place.

So, the standard notation of 1.02×10¹ is 10.2
Answer:
40x-24y
You simplify through distribution