The opposite of -45 is equal to -(-45) because opposite of -45 is +45 option (b) -(-45) is correct.
<h3>What is the number?</h3>
A number is a mathematical entity that can be used to count, measure, or name things. For example, 1, 2, 56, etc. are the numbers.
It is given that:
The number is -45
The opposite of -45 is +45
From the options:
a. -|45|
Removing mod:
= -(45)
= -45
b. -(-45)
= +45 (multiplication of negative sign is positive)
c. -|-45|
= removing negative sign will get a positive quantity:
= -45
d. -45
= -45
Thus, the opposite of -45 is equal to -(-45) because opposite of -45 is +45 option (b) -(-45) is correct.
Learn more about the number here:
brainly.com/question/17429689
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