Question

2. Perform the indicated operation. Write the result in scientific notation. (4 x 102) (3 x 105)

Answer 1

Starting with the expression:

`(4*102)(3*105)`

Solve first the expressions inside the parenthesis:

`(4*102)(3*105)=(408)(315)`

Multiply the numbers:

`(408)(315)=128520`

To write the number 128,520 in scientific notation, remember the following