Answer:
One example: 1.29
Step-by-step explanation:
Any number with 9 at the second decimal place
For this case we must multiply the following expression:

Applying distributive property we have:

By definition of multiplication of powers of the same base, we have to put the same base and add the exponents:

Adding similar terms:

Answer:

Step-by-step explanation:
find the area of the rectangle
then surface area=.......
then subtract by the volume of rectangle by the other one
5)
A. (30°) acute angle
B. (140°) obtuse angle
C. (90°) right angle
6)
A. The hypotenuse is side RT
B. Legs are sides RS and ST