Help me on #21 please help me please thank you

Answer: False
Step-by-step explanation:
1.9x10^15=1,900,000,000,000,000
Answer:
False
Step-by-step explanation:
Since in order to get to 19, 000, 000, 000, 000, 000 from 1.9, you need to multiply 1.9 by 10, 000,000,000,000,000 which can be written as [tex]10^{16}[/tex]. So the right scientific notation would be [tex]1.9[/tex] x [tex]10^{16}[/tex].