Question

What is the missing number in the given mathematical statement?
0.21 x 7 = 0.21 x 4 + 0.21 × ? with explanation​

Answer 1

Answer:

3

Step-by-step explanation:

0.21×7=0.21×(4+3)

=0.21×4+0.21×3 (by distributive property of multiplication over addition)

so the answer is 3