Unit-8 Exponents and Powers - NCERT

Solution 2–7 (b) 72 (c) – 27 (d) – 27 : The Correct answer is (a). : The human body has about 100 billion cells. This number (d) 10–9 can be written in exponential form as 10–11 (b) 1011 (c) 109 : The correct answer is (b). In examples 3 to 5, fill in the blanks to make the statements true. Example 3 4 : (–4) 4 5 × = ______ 4 ................
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