Question

32 ki power 2/5 - 27 ki power 1/3

Answer 1

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Answer 2

• Exponents are used to express large numbers in shorter form to
make them easy to read, understand, compare and operate upon.
• a × a × a × a = a4 (read as ‘a’ raised to the exponent 4 or the fourth
power of a), where ‘a’ is the base and 4 is the exponent and a4 is
called the exponential form. a × a × a × a is called the expanded
form.
• For any non-zero integers ‘a’ and ‘b’ and whole numbers m and n,
(i) am × an = am+n
(ii) am ÷ an = am–n , m>n
(iii) (am)
n = amn
(iv) am × bm = (ab)
m
(v) am ÷ bm =
m
a
b
     
(vi) a0 = 1
(vii) (–1)even number = 1
(viii) (–1)odd number = –1
• Any number can be expressed as a decimal number between 1.0
and 10.0 (including 1.0) multiplied by a power of 10. Such form of a
number is called its standard form or scientific notation