maths

Question 1

multiplication and division integers

Answer 1

example 5x(-6)=-30
example -40%10=-4

Question 2

negative integers and addition integers

Answer 2

-5+2=-3
-2-3=-5

Question 3

what are order of operations

Answer 3

1. brackets
2. powers
3. multiplication from left to right
4. division from left to right
5. addition from left to right
6. subtraction from left to right

Question 4

order of operations Example

Answer 4

(-2+4)x3 power of two- 5 divided (-5)
=2
=2x9
=18-(-1)
=19

Question 5

substituting integers

Answer 5

a-3