SELECT * FROM question_mgmt as q WHERE id=182 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=2 AND subId=9 AND chapterId=42 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 11th chemistry Some Basic Concepts of Chemistry express the following in the scientific notation

Question:

Express the following in the scientific notation:
(i) 0.0048
(ii) 234,000
(iii) 8008
(iv) 500.0
(v) 6.0012

Answer:

In scientific notation every number is written as N x 10n, where N = a number with single non zero digit to the left of the decimal point n = exponent of 10, which may be positive, negative integer or zero

(i) 0.0048 = 4.8× 10–3

(ii) 234, 000 = 2.34 ×105

(iii) 8008 = 8.008 ×103

(iv) 500.0 = 5.000 × 102

(v) 6.0012 = 6.0012


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