QuestionAugust 26, 2025

Make the following calculations using your calculator. 1.3times 10^3+2.5times 10^2 2.6times 10^4-1.7times 10^3 (1.5times 10^2)(2.3times 10^-5) (4.4times 10^5)/(2.0times 10^-2)

Make the following calculations using your calculator. 1.3times 10^3+2.5times 10^2 2.6times 10^4-1.7times 10^3 (1.5times 10^2)(2.3times 10^-5) (4.4times 10^5)/(2.0times 10^-2)
Make the following calculations using your calculator.
1.3times 10^3+2.5times 10^2
2.6times 10^4-1.7times 10^3
(1.5times 10^2)(2.3times 10^-5)
(4.4times 10^5)/(2.0times 10^-2)

Solution
4.3(229 votes)

Answer

1550, 24300, 0.00345, 22000000 Explanation 1. Calculate the first expression 1.3 \times 10^{3} + 2.5 \times 10^{2} = 1300 + 250 = 1550 2. Calculate the second expression 2.6 \times 10^{4} - 1.7 \times 10^{3} = 26000 - 1700 = 24300 3. Calculate the third expression (1.5 \times 10^{2})(2.3 \times 10^{-5}) = 150 \times 0.000023 = 0.00345 4. Calculate the fourth expression \frac{4.4 \times 10^{5}}{2.0 \times 10^{-2}} = \frac{440000}{0.02} = 22000000

Explanation

1. Calculate the first expression<br /> $1.3 \times 10^{3} + 2.5 \times 10^{2} = 1300 + 250 = 1550$<br /><br />2. Calculate the second expression<br /> $2.6 \times 10^{4} - 1.7 \times 10^{3} = 26000 - 1700 = 24300$<br /><br />3. Calculate the third expression<br /> $(1.5 \times 10^{2})(2.3 \times 10^{-5}) = 150 \times 0.000023 = 0.00345$<br /><br />4. Calculate the fourth expression<br /> $\frac{4.4 \times 10^{5}}{2.0 \times 10^{-2}} = \frac{440000}{0.02} = 22000000$
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