IB Math AI SL & HL 1.1-1.3 Review

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What is the formula to find the nth term of an arithmetic sequence?

Back

The nth term of an arithmetic sequence can be found using the formula: a_n = a_1 + (n - 1)d, where a_1 is the first term, d is the common difference, and n is the term number.

Tags

CCSS.HSF.BF.A.2

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How do you express a number in scientific notation?

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To express a number in scientific notation, write it as a product of a number between 1 and 10 and a power of 10. For example, 5800 can be written as 5.8 x 10^3.

Tags

CCSS.8.EE.A.3

Front

What is the common difference in an arithmetic sequence?

Back

The common difference in an arithmetic sequence is the difference between any two consecutive terms. It is constant throughout the sequence.

Tags

CCSS.HSF.BF.A.2

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How do you add numbers in scientific notation?

Back

To add numbers in scientific notation, ensure the exponents are the same. If they are not, adjust one of the numbers so that the exponents match, then add the coefficients.

Tags

CCSS.8.EE.A.4

Front

What is the significance of significant figures in measurements?

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Significant figures indicate the precision of a measurement. They include all the non-zero digits, any zeros between significant digits, and any trailing zeros in the decimal portion.

Tags

CCSS.8.EE.A.4

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How do you subtract numbers in scientific notation?

Back

To subtract numbers in scientific notation, make sure the exponents are the same. If they are not, adjust one of the numbers to match the exponents, then subtract the coefficients.

Tags

CCSS.8.EE.A.4

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What is the first term of the sequence 5, 8, 11, ...?

Back

The first term of the sequence is 5.

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CCSS.HSF.BF.A.2

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What is the 22nd term of the sequence 5, 8, 11, ...?

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The 22nd term of the sequence can be found using the formula: a_n = 5 + (22 - 1) * 3 = 68.

Tags

CCSS.HSF.BF.A.2

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How do you determine the number of significant figures in a number?

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To determine the number of significant figures, count all non-zero digits, any zeros between significant digits, and any trailing zeros in the decimal portion.

Tags

CCSS.8.EE.A.4

Front

What is the result of 7.3 x 10^5 + 3.7 x 10^5 in scientific notation?

Back

The result is 1.1 x 10^6.

Tags

CCSS.8.EE.A.4