Add or subtract the following numbers. even if you use a calculator to get the answer, rewrite the problem with the decimal points aligned. 142.3 + 0.07 =

The addition is

Step-by-step explanation:

Given : Expression

To find : Add or subtract the following numbers. Even if you use a calculator to get the answer, rewrite the problem with the decimal points aligned ?

Solution :

Expression

According to decimal alignment, (in empty space fill with zero)

 142.30

+000.07

---------------

= 142.37

Therefore, The addition is

the 8 in 8,420 is in the thousands place so it's value is 8 thousand.

the 8 in 6,870 is in the hundreds place so it's value is 8 hundred.

divide 8000 by 800 to find the answer:

8000 / 800 = 10

the 8 in 8,420 is 10 times greater than the 8 in 6,870