Jason incorrectly simplified the expression (4.7*10^2)*(6.2*10^4). Circle each step that shows an error. Then correct each of those steps so that the expression is correctly simplified. A Step 1. 4.7*6.2*10^2*10^4 ______________ B Step 2. (4.7*6.2)*(10^2*10^4) ______________ C Step 3. 29.14*10^8 _____________ D Step 4. 2.914*10^6 _______________

• xoxonikki: so sum means add
  difference means subtract
  represent as x and y
  x+y=55 times (x-y)
  find ratio of numbers
  solve for one placeholder and simplify
  solve for y
  distributiver property a(b-c)=ab-ac
  55(x-y)=55x-55y
  
• guillermoreyesprince:

  Answer:

  Step C is incorrect: When you simplify exponents the rules are: for adding or subtracting, the base and the exponent must be equal; when multiplying the base must be the same, and the exponents will add; when dividing the base must be the same and the exponent will subtract.

  Step D is incorrect: The last division is wrong, you could treat it with the general rule of exponents, subtracting the exponents of the base 10.

  The correct procedure of each step is:

  C. [tex]29.14*10^{(2+4)}[/tex]

  D. [tex]2.914*10^{5}[/tex]