For any two integers a and b.

For any two integers a and b, which of the following suggests that the operation of addition is commutative?
(a) a × b = b × a
(b) a + b = b + a
(c) a – b = b – a
(d) a + b > a

Solution:

In , the base is
(a) 3
(b) 4
(c) 5
(d)

Solution:

a × a × b × b × b can be written as
(a) a²b³
(b) a³b²
(c) a³b³
(d) a⁵b⁵

Solution:

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