Answer:
241,000
Step-by-step explanation:
When multiplying a number with a base of 10 raised to the nth power. Move the decimal point of that number n digits to the right.
[tex](1.28 \times {10}^{5} ) + (113 \times {10}^{3} )[/tex]
[tex]128000 \: + \: 113000[/tex]
[tex]241000[/tex]
