If 3.281 feet are in 1 meter, how many feet are in 1 kilometer?

 Second option is correct.

Step-by-step explanation:

Since we have given that

1.57 and 6.88.

As we know that

Before decimal, period consists ones, tens, hundreds and after decimal period consists tenths, hundredths, thousandths.

1.57 read as 1 ones 5 tenths and 7 hundredths.

6.88 read as 6 ones 8 tenths and 8 hundredths.

Sum of 1.57 and 6.88 is given by

In words,

8 ones, 4 tenths and 5 hundredths.

Hence, Second option is correct.