Question

answer Expand : a4​

Answer 1

Answer:

sis please mark me as brainlist answer and u r answer is

Step-by-step explanation:

A4. International Paper Size closest to US Letter Size; 210mmx297mm or 8.27x11.69"

Answer 2

Answer:

is it a^4 or 4a

if it is a^4 then expansion is,

a^4 = a × a × a × a

and if ti is 4a then,

4a = a + a + a + a

Step-by-step explanation:

hope it helps you...