Answer:

Step-by-step explanation:
Put negative exponents in the denominator to make them positive.




Answer:
D
Step-by-step explanation:
3×2x=6x
3×7=21
So your answer is D
Over 97% would be dividing
Answer
Its around 30% but their is about 55 other marbles
Step-by-step explanation:
Answer:
19.20
Step-by-step explanation:
24%×80 = 24×80/100 = 1920/100 = 19.20