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what is 9,150,000,000,000,000,000 expressed in scientific notation

9.15 × [tex]10^{18}[/tex]
9.15E18
9.15E-18
9.15E-19
9.15 × [tex]10^{19}[/tex]
9.15E19
9.15 × [tex]10^{-19}[/tex]
9.15 × [tex]10^{-18}[/tex]

Sagot :

Answer:

8.) 9.15 x 10^18

Step-by-step explanation:

to get scientific notation, you move the decimal place until all numbers except one are past the decimal. If you move it to the left, the exponent is postitive. If you move it to the right, it's negative. So, 9,150,000,000,000,000,000 expressed in scientific notation is 9.15 x 10^18 because you moved the decimal 18 spaces to the left.

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