Question

Name the property used:
a) −13/17 ×(−2/7) = −2/7 ×(−13/17)
b) 29/−19 ×(−19/29) = 1
c) −4/5 ×1 = 1 × −4/5 = −4/5
d) −2/7 + 0 = 0 + −2/7 = −2/7

Answer 1

1) Commutative

2) A number multiplied by its reciprocal gives the product 1

3) Multiplicative identity

4) Additive identity