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Sahay Sir > Question Answers > NCERT Class 7 > Maths > Chapter 13 - Exponents and Powers > 4.Express the number appearing in the following statements in standard form: (f) The universe is estimated to be about 12,000,000,000 years old.

4.Express the number appearing in the following statements in standard form: (f) The universe is estimated to be about 12,000,000,000 years old.

000 years old. 000. 4.Express the number appearing in the following statements in standard form: (f) The universe is estimated to be about 12