Question

(1,5x²y).(_0,3xy²)=
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Answer 1

Resposta:

a) a

4

.a

6

=a

4+6

=a

10

b) (1,5x

2

y)(0,3xy

2

)=0,45x

2+1

y

1+2

=0,45x

3

y

3

c) (−2,6abc)(1,2ab)=−3,12a

1+1

b

1+1

c=−3,12a

2

b

2

c

d) (−ac).(−a

4

bc

2

)=a

1+4

bc

1+2

=a

5

bc

3

e) (−0,1y

3

)(−0,2y

4

)=0,02y

3+4

=0,02y

7