0.07 + 0.008 is equal to
0.15
0.015
0.078
0.78
Step 1: Make the decimals the same length.
0.07 = 0.070
0.008 = 0.008
Step 2: Add digit by digit from the right (thousandths place first).
Thousandths: 0 + 8 = 8 → 0.008
Step 3: Move one place left (hundredths place).
Hundredths: 7 + 0 = 7 → 0.078
Step 4: Move one more place left (tenths place).
Tenths: 0 + 0 = 0 → 0.078
Result: 0.07 + 0.008 = 0.078.
Correct option: C