Question

I NEED HELP RIGHT AWAY!

Write an equivalent expression for n x a using only addition.

Answer 1

Equivalent expression for n x a = a+ a+a+a....n times

Explanation:

Given: Expression for n x a .

To find : Write an equivalent expression for n x a using only addition.

Solution : We have given that n x a .

Here, we can say Sum of a is n times.

We can rewrite it n x a = a+ a+a+a....n times.

Example : 3 x 2 = 2 +2+ 2.

6 = 6 ( true)

Therefore , equivalent expression for n x a = a+ a+a+a....n times.

Answer 2

There are two ways to do this:

Method 1: Write n x a as n+n+n+n+....+n where there will be 'a' copies of 'n' being added up

OR

Method 2: Write n x a as a+a+a+a+...+a now we have 'n' copies of 'a' being added up.

Either way, you'll get the same answer

For example:

2*5 = 2+2+2+2+2 = 10
there are 5 copies of 2 added
2*5 = 5+5 = 10
there are 2 copies of 5 added
either method leads to the same answer