Online worksheet ยท 2 of 4
Separate scale from significant digits - Online practice 2
Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.
Read before answering
Standard form for a positive number is A x 10^n with 1 <= A < 10 and integer n. Convert 72000 and 0.00065. A small positive number needs a negative exponent. Check that converting back returns the original number.
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- Write 72000 in standard form.
- Write 0.00065 in standard form.
- Rewrite 72 x 10^3 in standard form without changing its value.
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