Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

AmberCat21

  • 3 years ago

how do you multiply scientific notation with unlike terms

  • This Question is Closed
  1. frx
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Just multiply the first term of the notation like; \[(2.5*10^6) * 5 = 1.25*10^7\] When the first term gets over 10 you add on 10 to the exponent

  2. AmberCat21
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    what it if it is like this: 4.2x10^2 x 2.3x10^-3? What would the exponent be? positive or negative?

  3. frx
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Using the exponent rules, \[x^a \times x^b = x ^{a+b}\] So the answer is \[(4.2*2.3) * 10 ^{2+(-3)} = 9.88*10^{-1}\]

  4. AmberCat21
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    are u still going to abide to the laws of exponents?

  5. frx
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    When using scientific notation the laws of exponents are crucial. Some examples: \[(2 * 10 ^2)*2 = (2*2) * 10^2 \] \[(4*10^5)* 10^4 = 4 *(10^5*10^4) = 4* 10^{5+4} = 4 * 10^9\]

  6. frx
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Do you see the pattern?

  7. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy