Question

Attached image please help

Answer 1

3.74 ×
`10^(5)`

Explanation:

Given

3.3 ×
`10^(5)` + 44000

= 3.3 ×
`10^(5)` + 4.4 ×
`10^(4)` ← factor out
`10^(4)`

=
`10^(4)`( 3.3 ×
`10^(1)` + 4.4)

=
`10^(4)`(33 +4.4)

=
`10^(4)` × 37.4

=
`10^(4)` × 3.74 ×
`10^(1)`

= 3.74 ×
`10^((4+1))`

= 3.74 ×
`10^(5)`

Answer 2

3.3 x 10^(5) + 44,000 = 144,003.3

The decimal number written in scientific notation is 1.44 x 10^(5).