Question

Help me on #21 please help me please thank you

Answer 1

False

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
`10^(16)`. So the right scientific notation would be
`1.9` x
`10^(16)`.

Answer 2

Answer: False

Explanation:

1.9x10^15=1,900,000,000,000,000