Question

Add 3 km 5 hm and 98 hm 9 dam
(1) 13 km 3 hm 9 dam(2) 13 km 5 hm 6 dm(3) 12 km 5 hm(4) 98 hm 2 dam

Answer 1

Answer:

$\huge \fbox \green{answer}$

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

Answer 2

Answer:

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

Step-by-step explanation: