8 x 45 = (8 * 40) + (8 * 5) ...now that can be done mentally
Area formula: L · W · H
Length: 0.5
Width: 5
Height: 5
Answer: 12.5²
(It's squared because 5√2 contains a square root.)
Answer:
5^4 = 625
Step-by-step explanation:
5^4 is just 25 times 25
So what you do is (2/3)x-9=7. Add 9 to both sides (2/3)x=16. Multiply by reciprocal on both sides 16 x (3/2). 16 x 3 = 48. 48/2=24
