Question

Find the product of 7 km 5 hm 5 dam 7 m by 9 .

Answer 1

Answer:

78.408km

Step-by-step explanation:

1hecto metre=0.1km⇒5hecto metre=0.5km

1Deca metre=0.01km⇒3Deca metre=0.03km

1metre=0.001km⇒4metre=0.004km

∴6km+5hm+3dam+4m

=6+0.5+0.03+0.004=6.534km

Product of 6.534km and 12

=6.534×12=78.408km