3 years ago

68°F, 76°F, 87°F, 54°F, 87°F, 68°F, 76°F, 68°F, 87°F, 54°F

Mathematics

1 answer:

9966 [12]3 years ago

7 0

Step-by-step explanation:

mean is add all and divide how many there is

so the numbers above

68+76+87+54+87+68+86+68+87+54=725

725/10=72.5 is the daily mean temp

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$\text{mass of freight train} = 9.98 \times {10}^{6} kg$

$\text{mass of aircraft carrier} = 7.3 \times {10}^{7} \: kg$

$\text{difference of masses of aircraft and train: } \\ \\ 7.3 \times {10}^{7} - 9.98 \times {10}^{6} \\ \\ = 73 \times {10}^{6} - 9.98 \times {10}^{6}$

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