How many 12 letter strings can be formed with the letters D , E , F , and G , if each letter can be used more than once? Group of answer choices 16,777,216 16,777,416 16,777,176 16,777,296

i pretty sure it is

54 km / hours

step-by-step explanation:

we need to convert seconds to hours

60 seconds = 1 minutes

60 minutes = 1hour

15 m         60 second   60 minutes

  * *         = 54000 meters/ hour

second     1 minute             1 hour

now we need to convert meters to km

1000 m = 1 km

54000 m       1 km

*   = 54 km / hours

hour               1000m

57.09 minus 7.0435 equals

step-by-step explanation:

just subtrach them both and u get the answer of 50.0465

vhhhbnbb. ddben jenner v