Answer :
From the given options, none of the expressions are equivalent to 63.
To determine which of the given expressions are equivalent to 63, we can evaluate each expression and compare it to the value of 63.
a) 67
This expression is not equivalent to 63 because 67 is greater than 63.
b) 64
This expression is not equivalent to 63 because 64 is greater than 63.
c) 18
This expression is not equivalent to 63 because 18 is less than 63.
d) (61)²
This expression is not equivalent to 63 because (61)² equals 3721, which is greater than 63.
e) 81
This expression is not equivalent to 63 because 81 is greater than 63.
f) 6·6·6
This expression is not equivalent to 63 because 6·6·6 equals 216, which is greater than 63.
g) 62
This expression is not equivalent to 63 because 62 is less than 63.
h) 61
This expression is not equivalent to 63 because 61 is less than 63.
Therefore, none of the given expressions are equivalent to 63.
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