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Select the correct answer.
A dust particle weighs 7.42 × 10-10 kilograms. What is the weight of 5 × 106 dust particles represented in scientific notation?
A.
3.71 × 10-4 kilograms
B.
3.71 × 10-3 kilograms
C.
37.1 × 10-3 kilograms
D.
37.1 × 10-4 kilograms

Respuesta :

semsee45

Answer:

D) [tex]37.1\times 10^{-4} \ \textsf{kilograms}[/tex]

Step-by-step explanation:

[tex]7.42 \times 10^{-10} \times5 \times 10^6[/tex]

[tex]\implies 7.42 \times 5 \times 10^{-10} \times 10^6[/tex]

[tex]\implies 37.1\times 10^{-10} \times 10^6[/tex]

[tex]\implies 37.1\times 10^{-10+6}[/tex]

[tex]\implies 37.1\times 10^{-4}[/tex]

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