निम्नलिखित दशमलव संख्याओं का योग ज्ञात कीजिए: 0.0007 + 0.07 + 0.007 + 0.7 = ?

Identify the correct decimal equivalent of 1478.

Calculate the value of the following decimal expression: 0.4 × 0.4 + 0.6 - 0.34 = ?

If a number with 3 decimal places is multiplied by a number with 4 decimal places, how many digits will be to the right of the decimal point in the product (before simplifying trailing zeros)?