Question

class 7th maths question​

Answer 1

Answer:

Solution is given below:

Step-by-step explanation:

(-4)×5×(-7)×(-5)×(-9)

= 5×(-4)×(-7)×(-5)×(-9)

= 5×28×45

= 6300

Answer 2

Answer:

your answer is in the attachment

hope it's helpful