Which expression is equal to 1/8000 written in scientific notation?
A.)8.0 x 10^3
B.)1.25 x 10^–4
C.)125 x 10^–5
D.)1.25 x 10^4
I think it is A.
Thank you.
To determine which expression is equal to 1/8000 written in scientific notation, we need to convert 1/8000 into a number between 1 and 10.
To do this, we can start by representing 1/8000 as a decimal by performing the division:
1 ÷ 8000 = 0.000125
Next, we can rewrite 0.000125 in scientific notation, which means representing it as the product of a number between 1 and 10 and a power of 10. We achieve this by shifting the decimal point to the right to obtain a number between 1 and 10:
0.000125 = 1.25 × 10^–4
The expression 1.25 × 10^–4 is therefore equal to 1/8000 in scientific notation.
So, your initial guess was incorrect. The correct answer is B.) 1.25 × 10^–4.
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