Question

multiply: –45 by 27 please give me answer with the explanations ​

Answer 1

→ When you ‘multiply’ or ‘times’ a number you add it to itself a number of times, for example 4 multiplied by 3 is the same as saying 4 + 4 + 4 = 12. Multiplication is therefore a quicker way of adding the same number many times, for example 3 × 4 = 12