Question

840*3 who to do it?​

Answer 1

Answer:

$\Large\boxed{2520}$

Step-by-step explanation:

Order of operations

PEMDAS

Parenthesis

Exponent

Multiply

Divide

Add

Subtract

First line numbers up.

840*3

0*3=0

Then 4*3=12

Carry the 1 to the left side.

Add and multiply.

1+8*3=25

Carry the 2 to the column of the left side.

8*3=24+1=25

Which equal to 2520.

$\huge \boxed{2520}$, which is our answer.

Answer 2

Answer:

Simple multiply

= 2520