Write the following expressions as a power of a power in at least two different ways: Class 8
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Write the following expressions as a power of a power in at least two different ways: Class 8
Question 1.
Write the following expressions as a power of a power in at least two different ways: Class 8
(i) 86
(ii) 715
(iii) 914
(iv) 58
Solution:
(i) 86 = (82)3 and 86 = (83)2.
(ii) 715 = (73)5 and 715 = (75)3.
(iii) 914 = (92)7 and (97)2.
(iv) 58 = (54)2 and (52)4.
Question 2.
Write the number of lotuses (in exponential form) when the pond was — Class 8
(i) fully covered
(ii) half covered
Solution:
(i) 230
(ii) 29