It would be 340%. First, you need to find out what the fraction is for 2/5. 2/5 as a decimal would be .4. Next you put that back with the three which is 3.4. After that, you need to turn that into a percentage by multiplying it by 100 which then equals 340. add the % to it and that gives you 340%.
She travels a mile in 6.6 minutes and 30/4 is 7.5. 6.6 repeating is lower than 7.5 which means it is faster.
Answer:
d) 14^10.
Step-by-step explanation:
14^15 / 14^5
= 14^(15-5(
= 14^10.

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-x+y-3z+4w=6^"dfv
+xd-y+23z=0
so x=1 and y=3