Respuesta :

Answer:

estimated difference = 72

actual difference = 72.74

Step-by-step explanation:

Hello There!

First lets find the actual difference

Note: difference is subtraction

79.44-6.7=72.74

so the actual difference is 72.74

now lets find the estimated difference

79.44 rounded to the nearest whole is 79

6.7 rounded to the nearest whole is 7

79-7=72

so the estimated difference is 72