Question

Please solve all this sums with their properties please its urgent !!!
If you know then only answer it ok !!!​

Answer 1

Answer:

Step-by-step explanation:

a) step:1

15*-25*-4*-10  logic 1: as it is multiplication (+) x (-)= -,(+)x(+) is +

therefore, -1500 is the answer.

I hope it helps you.