Asked by AcT UpP
liz - 8^2 x 8^6 = 8^18
chris - 8^3 x 8^6 =8^9
jen - 8^3 x 8^6 = 64^9
a) who completed it correctly
b) what did the other 2 do wrong
_____________________________________
Miriam and Priya are dividing numbers written in scientific notation. (3 points)
Miriam’s expression: Priya’s expression:
2.8x109 2.8x102
1.4x104 1.4x10-3
Without completing the division, explain how can you determine that their answers will have the same value.
What is the value of their expressions written in scientific notation?
What is the value of their expressions written in standard form?
chris - 8^3 x 8^6 =8^9
jen - 8^3 x 8^6 = 64^9
a) who completed it correctly
b) what did the other 2 do wrong
_____________________________________
Miriam and Priya are dividing numbers written in scientific notation. (3 points)
Miriam’s expression: Priya’s expression:
2.8x109 2.8x102
1.4x104 1.4x10-3
Without completing the division, explain how can you determine that their answers will have the same value.
What is the value of their expressions written in scientific notation?
What is the value of their expressions written in standard form?
Answers
Answered by
oobleck
chris is correct
the base does not change, and you add exponents
2.8/1.4 = 2 regardless of the power of 10
when dividing, subtract exponents
...
the base does not change, and you add exponents
2.8/1.4 = 2 regardless of the power of 10
when dividing, subtract exponents
...
Answered by
my name is jeff ...
@oobleck , can you please elaborate on the second question ?
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