Microscopic scales — task. Maths CBSE Live product, Class 8 (2026-27).

A human white blood cell is about \(0.000007\) centi meters in radius.

Express this measurement in scientific notation.

Answer:

\(7 \times 10^{-4}\)
\(7 \times 10^{-3}\)
\(7 \times 10^{-6}\)
\(7 \times 10^{-5}\)

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