Answer:
Step-by-step explanation:

Answer:15x
Step-by-step explanation:you add 12 + 3 which equals 15 and then you just carry the x over
Answer:
cool, how long did it take
Answer:
29 ml
Step-by-step explanation:
Vcube = 1cm×1cm×1cm = 1 cm³
1 cm³ = 1 ml
If this cube is dropped into a 28ml of water the new reading will be 29 ml.
hope this helped :)
Step-by-step explanation:
7^3 × 7^(1÷2)
= 7^(3+ 0.5)
=7^3.5 ans