Question

for any integer a,what is (-1) a equal to?
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Answer 1

Answer:

1. For any integer a, what is (–1) × a equal to?

2. Determine the integer whose product with (–1) is

(a) –22 (b) 37 (c) 0

Answer 2

Answer:

– Zero (0) is an additive identity for integers, i.e., a + 0 = 0 + a = a for any integer a. – 1 is multiplicative identity for integers, i.e., a × 1 = 1 × a = a for any integer a. ... Product of a positive integer and a negative integer is a negative integer, i.e, a × (–b) = – ab, where a and b are positive integers.