1. The product of a number and its reciprocal is (a) 1
(b) o
(c)-1
(d) not defined
2. 2-₃ 2-2-
(2) 128
(b)
- 100
co
(c)
TIS
(d)
8
128
3.8 a?b3 + (-2ab)=
26
062
( 49²​

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