So each book is an average of 2.8 cm
so 120 divided by each book=number of books
120/2.8=42.85
round down since you can't fit .85 of a book on a shelf
the answer is 42 books
Answer:
ok
Step-by-step explanation:
The expression is:

Simplify the expression:
1. Multiply the exponent outside the parenthesis with every exponent inside the parenthesis,

Since, exponents in negative form are express as fraction with 1 as numerator.

Answer: 1/81d^(-20)
Answer:
216 cm3
Step-by-step explanation:
Prism is one of the shapes that I have never done before but I will try)
6 x 6 x 6 = 216cm3
Formula:
Length x Width x Height
Since every side of a cube have is the same cm or whatever, the height, width and height have the same numerals.
11 true
12 true - same angle
13 false - vertical angles, they are equal
14 true - vertical angles