How do you write 142 million in standrd form?

To write 142 million in standard form, you express it as a number between 1 and 10 multiplied by a power of ten. This can be represented as 1.42 × 10^8, where 1.42 is the decimal number and 10^8 indicates that the decimal point has been moved 8 places to the right to reach 142,000,000.