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Which of the following numbers is in standard form?
(a) 21.56 × 105
(b) 215.6 × 104
(c) 2.156 × 106
(d) none of these
Which of the following numbers is in standard form?
(a) 21.56 × 105
(b) 215.6 × 104
(c) 2.156 × 106
(d) none of these
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Solution
(c) 2.156 × 106
A given number is said to be in standard form if it can be expressed as k x 10n, where k is a real number such that 1 ≤ k < 10 and n is a positive integer.
For example: 2.156 × 106
A given number is said to be in standard form if it can be expressed as k x 10n, where k is a real number such that 1 ≤ k < 10 and n is a positive integer.
For example: 2.156 × 106
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