Question

$a + 0 = 0 + a = a$

e
what is this answer​

Answer 1

Answer:

he time period of a pendulum change with the length of the string? (2+0.5)

Answer 2

Answer:

PROPERTIES OF MULTIPLICATION

Identity Property There is a unique real number 1 such that for every real number a , a⋅1=a and 1⋅a=a One is called the identity element of multiplication.

Multiplicative Property of Zero For every real number a , a⋅0=0 and 0⋅a=0