Answer and explanation:
The answer would be 5 × . Both numbers are being multiplied by 10 to the tenth power, so all you need to do is sabtract the numbers in the front and keep the 10 to the tenth power the same.
Answer:
C
Step-by-step explanation:
not 100% sure though so I would wait for someone else to answer it
A.) ((150*280)/2)*210
B.) ((150*280)/2)*2+210*3