Add. Write your answer in scientific notation. (2.8 * 10^3) + (4.3 * 10^3) Choices: (A)7.1 * 10^3 (B)4.58 * 10^6 (C)4.58 * 10^3 (D)7.1 * 10^6

Identify Numbers to Add: We have the following numbers to add: (2.8 * 10^3) + (4.3 * 10^3) Since the exponents are the same, we can directly add the coefficients. What is 2.8 + 4.3? 2.8 + 4.3 = 7.1Add Coefficients: Write the answer in scientific notation. Since we have found the sum of the coefficients to be 7.1, we keep the exponent the same. Scientific notation: 7.1 * 10^3Write in Scientific Notation: Choose the equivalent expression for (2.8 * 10^3) + (4.3 * 10^3). (2.8 * 10^3) + (4.3 * 10^3) = 7.1 * 10^3 The correct choice is (A)7.1 * 10^3.

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Add. Write your answer in scientific notation. $\newline$ $(2.8 \times 10^3) + (4.3 \times 10^3)$ $\newline$ Choices: $\newline$ (A) $7.1 \times 10^3$ $\newline$ (B) $4.58 \times 10^6$ $\newline$ (C) $4.58 \times 10^3$ $\newline$ (D) $7.1 \times 10^6$

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Algebra 1

Add and subtract numbers written in scientific notation

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Q. Add. Write your answer in scientific notation.

\newline

(2.8 \times 10^3) + (4.3 \times 10^3)

\newline

Choices:

\newline

(A)

7.1 \times 10^3

\newline

(B)

4.58 \times 10^6

\newline

(C)

4.58 \times 10^3

\newline

(D)

7.1 \times 10^6

Identify Numbers to Add: We have the following numbers to add: $\newline$ $(2.8 \times 10^3) + (4.3 \times 10^3)$ $\newline$ Since the exponents are the same, we can directly add the coefficients. $\newline$ What is $2.8 + 4.3$ ? $\newline$ $2.8 + 4.3 = 7.1$
Add Coefficients: Write the answer in scientific notation. $\newline$ Since we have found the sum of the coefficients to be $7.1$ , we keep the exponent the same. $\newline$ Scientific notation: $7.1 \times 10^3$
Write in Scientific Notation: Choose the equivalent expression for $(2.8 \times 10^3) + (4.3 \times 10^3)$ . $(2.8 \times 10^3) + (4.3 \times 10^3) = 7.1 \times 10^3$ The correct choice is $(A)7.1 \times 10^3$ .