4.8 . 10-3 + 6.3 · 10-3
2 answers:
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Answer: skin cells were not burned.
Step-by-step explanation:
<h3><u> The complete exercise is: Two percent of Sennie's skin cells were burned when she escaped from a fire. IfLet be "x" the number of Sennie's skin cells that were not burned when she escaped from the fire.
According the the data given in the exercise, you know that 2% represents of Sennie's skin cells that were burned. This means that the percent of her skin cells that were not burned is:
With this information you can write the following proportion:
Solving for "x", you get:
To express the result in Scientific notation, the decimal point must be after the first digit; then you must move the decimal point two places to the left: