It is 2.1 x 10^3 because your base number needs to be in between 1 and 10, and the number you are converting is non-decimal, so the exponent is positive. It is 10^3 because you are moving the decimal 3 places to the right
Answer:
Na+ is positively charged as it loses an electron
Cl- is negatively charged as it gains an electron
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The metal car airodinamics with body style and weight increased speed
