Question

Please tell question 15 or i will fail in exam plss

Answer 1

answer

5

5

5

−7

×6

−5

3

−5

×10

−5

×125

=

5

−7

×(2×3)

−5

3

−5

×(2×5)

−5

×5

3

=

5

−7

×2

−5

×3

−5

3

−5

×2

−5

×5

−5

×5

3

=3

−5+5

×2

−5+5

×5

−5+3+7

=5

5