Answer:
Step-by-step explanation:
9.99divide by 5 is1.998 1.998*5=9.99 so 1 pound would be 1.998
Answer:
Mostly correct
For Q3, you are doing great, you remembered that negative numbers can happen if the exponent is an odd number.
For Q4, I think you were confused with the fractions,
4(i)

4(ii) is also wrong but I'll let you try to fix it yourself following what I given you for 4(i). You should get 1/64
Hope this helps!
Answer:
4y + 9
Step-by-step explanation:
2y+
+9
2y + 2y +9
4y + 9
Answer:
-5(3a+b)
6
Step-by-step explanation:
-5(3a+b) over 6