Tutoring 1/20

If the exponent on your power of 10 is positive, is your number larger or smaller than 10?

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Change from standard form to scientific notation: 12,000,000

• 12.0  x  10⁷
• 0.12  x  10⁷
• 1.2  x  10⁶
• 1.2  x  10⁷

Change from standard form to scientific notation:  450,000

• 4.5  x  10⁵
• 45  x  10⁵
• 4.5  x  10⁴
• 4.5  x  10⁶

125,678,000: Change to scientific notation

• 1.25678  x  10¹²
• .125678  x  10^-9
• 12.5678  x  10⁸
• 1.25678  x  10⁸

Try to change the number back to standard form:  6.79  x  10⁴

• 679,000
• 6,790
• 67,900
• 6,790,000

Write 3.5 x 10⁶  in standard notation.

• 0.0000035
• 35,000,000
• 3,500,000
• 0.00000035

Write 42,000 in scientific notation.

• 42.000 x 10³
• 4.2 x 10 ^-4
• 4.2 x 10⁴
• 0.42 x 10⁵

Write 3.629 x 10⁷          in standard notation.

• 36,290,000,000
• 36,290,000
• 0.00000003629
• 0.00003629

Write 5,890,000,000 in scientific notation.

• 5.89 x 10⁹
• 0.589 x 10¹⁰
• 589 x 10⁷
• 5.89 x 10^-9

Write 2.07 x 10⁵     in standard notation.

• 20,700,000
• 0.00000207
• 0.0000207
• 207,000