3. The average red blood cell has a thickness of 0.0000024 m. Write this number in scientific notation. a) 24 x 10-⁷
b) 2.4 x 10-⁷
c) 2.4 X 10⁶
d) 24 x 10⁷

9514 1404 393

  a) 24×10^-7

Step-by-step explanation:

The number is ...

  0.0000024 = 2.4×0.000001 = 24×0.0000001

The first of these equivalents can be written as ...

  2.4×10^-6 . . . . matches no answer choice (correct answer)

The second of these can be written as ...

  24×10^-7 . . . . matches choice (a)

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Usually "scientific notation" requires there be one digit left of the decimal point in the mantissa. As we have noted above, no offered answer choice matches this form. The only choice that is equivalent to the given number is the one shown above.

the answer is a

step-by-step explanation:

this is the formula: v = the value of investment at the end of the time period

p = the principal amount (the initial amount invested)

r = the annual interest rate

n = the annual frequency of compounding (how many times a year interest is added)

t = the number of years the money is invested

^ means raise to the power of