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3. Each blood cell has about 250 000 000 hemoglobin molecules. Write the number in scientific notation.

4. In 5 060 000 = 5.06 x 〖10〗^n, what is the value of n?


Sagot :

1.

[tex]2.5 \times {10}^{7} [/tex]

2.4

pa heart po

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