5 = manta rays
2 = turtles
2 = 56
1 = 28
5 = 140
There are 140 manta rays.
If it says 3×8 its like saying 8+8+8=21.
It's just a faster way of adding.
Anything multiplied by 0 is 0.
Anything multiplied by 10 just add a 0 to the end of the number example 10×2=20.
Answer: 
Step-by-step explanation:
Answer:
-364
Step-by-step explanation:
Each number is being multiplied by -3
2 , -6 , 18 , -54 , 162 , -486
Add them all up
-364
Answer:
it is less then 20 years
Step-by-step explanation:
