The sr-71 “blackbird” is one of the worlds fastest airplanes and is capable of traveling at a cruising speed of mach 3 , or three times the speed of sound. the speed of sound is approximately 7.6 x 10^2 miles per hour . what is mach 3 in miles per hour ? put your answer in scientific notation. !

Step-by-step explanation:

Let

x-----> the speed of sound in miles per hour

y----> the speed in Match 3

we know that

-----> equation A

Substitute the value of x in the equation A

the equivalent expression are always the hardest ones but you look at the gcf also

step-by-step explanation:

answer: about 22.67

step-by-step explanation: