Answer:
358.2
Step-by-step explanation:
thats the answer because .21=.2

I used the Pythagorean formula, which is a² + b² = c².
a² and b² are the two side legs while c² is the hypotenuse.
One of the side is 42 - 8 = 34 cm.
50,000 in exponents is 5x10 to the power of 4 because 10 to the power of 4 = 10,000
10,000x5=50,000
Answer:
4 hours
Step-by-step explanation:
42x?=168
?=4
252, 210 divided by 5 = 42, 42 x 5 = 210 + 42= 252