-1
9+b increased simply means addition.
0.87
80 + n^2
3.4
The number 7 is written as seven.
6
-1
Seven.
9+b increased simply means addition.
0.87
7n+5
7,000,000
To write seven and seven-thousandths in decimals, you first write the whole number part, which is 7. Then, you add a decimal point after the whole number part to separate it from the decimal part. Finally, you write the decimal part, which is seven-thousandths, as 0.007. Therefore, seven and seven-thousandths in decimals is written as 7.007.
40 + x
80 + n^2
3.4