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Write the number 2.2 ×10^(-4) in standard form. Answer:

Write the number 2.2×10−4 2.2 \times 10^{-4} in standard form.\newlineAnswer:

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Full solution

Q. Write the number 2.2×10−4 2.2 \times 10^{-4} in standard form.\newlineAnswer:
  1. Understand standard form: Understand the meaning of standard form. Standard form means writing the number without using exponents, so we need to express 2.2×10−42.2 \times 10^{-4} as a decimal.
  2. Move decimal point left: Move the decimal point in 2.22.2 four places to the left, because the exponent is −4-4. 2.2→0.22→0.022→0.0022→0.000222.2 \rightarrow 0.22 \rightarrow 0.022 \rightarrow 0.0022 \rightarrow 0.00022
  3. Write final answer: Write the final answer in standard form.\newlineThe number 2.2×10−42.2 \times 10^{-4} in standard form is 0.000220.00022.

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