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22.01.2021 •
Mathematics
Determine the sum. Write your answer in scientific notation. 4.4 × 104 + 12.3 × 104 = ?
A) 1.67 × 105
B) –7.9 × 104
C) 54.12 × 104
D) 16.7 × 108
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Ответ:
Step-by-step explanation:
a) (2,350),(5,530)
b) (530-350)/(5-2)=60
c) y=60x+b, using point (2,350)
350=60(2)+b
b=230
w=60t+230
c) w(7)=60(7)+230
w(7)=$650