Use the table of reciprocals to find the reciprocal of the following numbers. (1) 9086 (2) 1799 (3) 23.09 (4) 0.000 080 25 (5) 0.9596
Use the table of reciprocals to work out the following, giving your answers to 3 significant figures. (6) 10/99.26 (7) 100/0.4506 (8) 1/713 000 000
Answers
Given:
Use the table of reciprocals.
(1) 9086 (2) 1799 (3) 23.09 (4) 0.000 080 25 (5) 0.9596 (6) 10/99.26 (7) 100/0.4506 (8) 1/713 000 000
To find:
Find the reciprocal of the following numbers.
Solution:
A reciprocal of a number is a multiplicative inverse of itself.
If "x" is a number, then it's reciprocal is given by "1/x"
as x × 1/x = 1 (∵ 1 is a multiplicative identity)
From given, we have,
(1) 9086
Reciprocal of 9086 = 1/9086
(2) 1799
Reciprocal of 1799 = 1/1799
(3) 23.09
Reciprocal of 23.09 = 1/23.09
(4) 0.000 080 25
Reciprocal of 0.000 080 25 = 1/0.000 080 25
(5) 0.9596
Reciprocal of 0.9596 = 1/0.9596
(6) 10/99.26
Reciprocal of 10/99.26 = 99.26/10 = 9.926
(7) 100/0.4506
Reciprocal of 100/0.4506 = 0.4506/100 = 4.506×10^{-3}
(8) 1/713 000 000
Reciprocal of 1/713 000 000 = 713 000 000