Respuesta :

popcornrox37

Answer:


Step-by-step explanation:

a) 8.23 x 10^5 move the decimal over 5 places, 319000000 is 319 million move the decimal over until there is one number on the left side --> 3.19 x 10^8

b) 3.19 x 10^8 / 8.23 x 10^5 = 387.61 roughly 388 times larger

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