Rosa says she can break this array(6 rows,8 in each row) into 3 different sets of two smaller arrays. is rosa correct. explain

Arrays are dataset that are represented in rows and columns

Rosa's claim is correct.

From the question, we have:

The number (n) of elements in the array is:

So, we have:

Express as sum of three numbers

Express each term as a product

The above expression means that, the array can be split to:

Hence, Rosa is correct.

Read more about arrays at:

link

Rosa is correct

Step-by-step explanation:

Rosa has array (6 rows and 8 columns). She can break this array into two smaller arrays in such ways:

So, there are even more than 3 different ways.

b

step-by-step explanation:

ez

add all the numbers and check the ones place.

the answer is 486. as the ones place is more than 4, the estimation will be the next 10 ie, 490