None of the above, 3<span>× 3 × 3 × 3 × 3 × 3 × 3= 2187, 7 x 3= 21, 7x7x7= 343, and 7+7+7 is 21.</span>
Hmmm A millimeter would be too big for that .
I think millionths of a meter would be about right. Micrometers.
The addition property of equality. It says that if you add the same number to each side of the equation, the two sides of the equation will be equal. In this case, the number 8 was added to each side.
Hope this helps :)
Answer:
5.35
Step-by-step explanation:
1.55 +3.80 = 5.35
