IdeasCuriosas - Every Question Deserves an Answer Logo

In Mathematics / Middle School | 2014-01-05

In scientific notation, what is the sum of [tex]2.3 \times 10^{-3}[/tex] and [tex]5.4 \times 10^{-4}[/tex]?

Asked by Mimi

Answer (3)

Answer
5.68 x 10^5
Step-by-step explanation:

Answered by roldanashley03 | 2024-06-13

2 , 3 ⋅ 1 0 − 3 + 5 , 4 ⋅ 1 0 − 4 = 2 , 3 ⋅ 1 0 − 3 + 0 , 54 ⋅ 1 0 − 3 = 2 , 84 ⋅ 1 0 − 3
If you think that I helped You and this answer is the best, choose: The best answer and say thanks. Thanks! :)

Answered by tomek1172 | 2024-06-24

The sum of 2.3 × 1 0 − 3 and 5.4 × 1 0 − 4 in scientific notation is 2.84 × 1 0 − 3 . To add them, we converted the second term to match the exponent of the first term before adding.
;

Answered by tomek1172 | 2024-09-26

Related Questions in Mathematics

[Answered] 6. Find 4 arithmetic means between 5 and 20. (a) Write the formula to calculate arithmetic mean between a and b. (b) What is the 4th mean of the given sequence? Find it. (c) Show that the second middle number is 11.

[Answered] Hugo invests $10,000 with a bank at 0.2% interest. To the nearest dollar, how much money will be in the account after three years if the money is compounded quarterly?

[Answered] Find the amount (in $) of interest on the loan. | Principal | Rate (%) | Time | Interest | | :-------- | :------- | :------- | :------- | | $90,000 | 7 \frac{3}{4} | 6 months | $ \square |

[Answered] Given: Circle X with radius r and circle Y with radius s. Prove: Circle X is similar to circle Y. Statements 1. Translate X to Y 2. Circle X circle Y 3. Circle with center X has radius r 4. Circle with center Y has radius s Reasons 5. x r 6. Y 7. S Assemble the proof by dragging tiles to the Statements and Reasons columns.

[Answered] Find the limit, if it exists. (If an answer does not exist, enter DNE.) [tex]$\lim _{x \rightarrow \infty} \frac{\sqrt{x^2-3}}{2 x-5}$[/tex]