-5^4
= -625
-5 • -5 • -5 • -5 = -625
The pattern rule is minus 57.
564 - 57 = 507.
The answer is 507.
Answer:

Step-by-step explanation:
Since interest is compounded semi-annually (half a year or 6 months), in a spawn of 2 years, the interest will have been compounded 4 times. As given in the problem, each time the interest is compounded, the new balance will be 107% or 1.07 times the amount of the old balance.
Therefore, we can set up the following equation to find the new balance after 2 years:

Answer:
160 2p coins
Step-by-step explanation:
3/8 x 640 = 240 = 1p coins
240 = 5p coins
240 + 240 = 480
640 - 480 = 160
Answer:
The actual product is less than the estimate. The numbers differ by more than one.
Step-by-step explanation:
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