For 7: because of the decimal place in the 0.6 it's not a huge number and it's not possible to get a big number like 15000
For 8: because again a fraction dividing is not going to do much you can't get a big difference like the number 30.
<span>Ans.
16 to the power of 1 over 4 equals 4 to the power of 4 to the power of 1
over 4 equals 4 to the power of 4 multiplied by 1 over 4 equals 4</span>
(9x - 1)² = <em>81x² - 18x + 1</em>
Your answer would be 2781.
Hope I helped and if you need more you could always ask me and I will get back as soon as I can :)
-Dawn
Answer:
£30
Step-by-step explanation:
The ratio is 3:4. x:40=3:4 multiplied by 10, 30:40.