BACE U4 Retest Prep S25
Authored by Summer Smith
Science
9th - 12th Grade
Used 2+ times
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8 questions
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1.
MATH RESPONSE QUESTION
2 mins • 1 pt
Perform the operation below and round to the correct number of significant digits.
1.25 x 10² + 3.6 x 10¹
What is the coefficient of the answer?
Mathematical Equivalence
ON
2.
MATH RESPONSE QUESTION
2 mins • 1 pt
Perform the operation below and round to the correct number of significant digits.
1.25 x 10² + 3.6 x 10¹
What is the exponent of the answer?
Mathematical Equivalence
OFF
3.
MATH RESPONSE QUESTION
2 mins • 1 pt
Perform the operation below and round to the correct number of significant digits.
1.25 x 10² + 3.6 x 10¹
Express the answer in expanded form.
Mathematical Equivalence
ON
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the number 3,400,000,000 correctly written in scientific notation?
3,400,000,000
3.4 x 109
3.4 x 106
3.4 x 10-9
3.4 x 10-6
5.
MATH RESPONSE QUESTION
2 mins • 1 pt
How many mL of a 2.0M ammonium acetate stock solution are required to make 816mL of 0.05M ammonium acetate?
Record the correct amount rounded to one decimal place.
Mathematical Equivalence
ON
6.
MATH RESPONSE QUESTION
2 mins • 1 pt
Calculate the mass, in grams, of CaCl2 needed to make 500mL of a 12% (wt/vol) solution of CaCl2.
Record your answer rounded to one decimal place.
Mathematical Equivalence
ON
7.
MATH RESPONSE QUESTION
2 mins • 1 pt
Calculate the volume, in mL, of a 6M solution of HCl stock solution required to make 250mL of 50mM HCl?
Round the correct amount to one decimal place.
Mathematical Equivalence
ON
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