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The multiplicative inverse of 7-2 is:
- a)72
- b)7
- c)1/72
- d)1/7
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
The multiplicative inverse of 7-2is:a)72b)7c)1/72d)1/7Correct answer i...
The multiplicative inverse of any value is the one which when multiplied by the original value gives a value equal to 1.
7-2 = 1/72
Hence, 72 x 1/72 = 1
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The multiplicative inverse of 7-2is:a)72b)7c)1/72d)1/7Correct answer i...
The multiplicative inverse of a number is the reciprocal of that number. In other words, if we multiply a number by its multiplicative inverse, the result is always 1.
To find the multiplicative inverse of 7-2, we need to find the reciprocal of 7-2.
Let's calculate it step by step:
Step 1: Find the reciprocal of 7-2
The reciprocal of a number is obtained by flipping the numerator and denominator. In this case, the numerator is 1 and the denominator is 7-2.
Reciprocal of 7-2 = (7-2)/1 = 1/(7-2)
Step 2: Simplify the expression
To simplify the expression, we need to evaluate 7-2.
7-2 = 5
So, the reciprocal of 7-2 is 1/5.
Therefore, the multiplicative inverse of 7-2 is 1/5.
Now, let's analyze the options given:
a) 72
This option is incorrect as it does not represent the reciprocal of 7-2.
b) 7
This option is incorrect as it does not represent the reciprocal of 7-2.
c) 1/72
This option is incorrect as it does not represent the reciprocal of 7-2.
d) 1/7
This option is incorrect as it does not represent the reciprocal of 7-2.
Therefore, the correct answer is option 'A' - 1/5.
To find the multiplicative inverse of 7-2, we need to find the reciprocal of 7-2.
Let's calculate it step by step:
Step 1: Find the reciprocal of 7-2
The reciprocal of a number is obtained by flipping the numerator and denominator. In this case, the numerator is 1 and the denominator is 7-2.
Reciprocal of 7-2 = (7-2)/1 = 1/(7-2)
Step 2: Simplify the expression
To simplify the expression, we need to evaluate 7-2.
7-2 = 5
So, the reciprocal of 7-2 is 1/5.
Therefore, the multiplicative inverse of 7-2 is 1/5.
Now, let's analyze the options given:
a) 72
This option is incorrect as it does not represent the reciprocal of 7-2.
b) 7
This option is incorrect as it does not represent the reciprocal of 7-2.
c) 1/72
This option is incorrect as it does not represent the reciprocal of 7-2.
d) 1/7
This option is incorrect as it does not represent the reciprocal of 7-2.
Therefore, the correct answer is option 'A' - 1/5.
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The multiplicative inverse of 7-2is:a)72b)7c)1/72d)1/7Correct answer is option 'A'. Can you explain this answer?
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