The band has a banner at the back of the stage. it is 21 feet long. approximately how many metres is this? m (a foot is about 30 cm.)

1 foot = 30 cm

21 x 30 = 630 cm ( banner length)

 1 meter = 100 cm

 630/100 = 6.3 meters long

6.3 meters long.

Step-by-step explanation:

It is given that the band has a banner at the back of the stage. It is 21 feet long.

We have to convert it to meters.

1 foot = 30 cm

21 feet = 21 × 30 = 630 cm

Now we convert 630 cm to meter.

1 meter = 100 cm

630 cm = = 6.3 meters

The banner is approximately 6.3 meters long.