Science Processes Test

Zoe is calculating the distance from Earth to a distant star, which is approximately 12,000,000 kilometers. Change this distance from standard form to scientific notation.

• 12.0  x  10⁷

• 0.12  x  10⁷

• 1.2  x  10⁶

• 1.2  x  10⁷

Benjamin is learning about scientific notation in his math class. How many numbers can be in front of the decimal if the number is in correct scientific notation?

• Only a Zero

• One

• Two

• Any amount

Evelyn is measuring the concentration of a solution in a lab experiment. She notes down the concentration as 3.97  x  10^-2 M. What is the concentration in standard form?

• 0.000397

• 0.0397

• 0.0000397

• 0.397

Noah is studying astronomy and learns that light travels at a rate of 186,000 miles per second.  Write this number in scientific notation.

• 1.86 x 10⁵

• 1.86 x 10⁴

• 18.6 x 10⁴

• 186 x 10³

Mason is studying astronomy and learns that the closest galaxy to our own is over 2,500,000 light years away.  Write this number in scientific notation.

• 2.5 x 10⁷

• .25 x 10⁷

• 25 x 10⁵

• 2.5 x 10⁶

Hannah is baking a cake and needs to measure ingredients precisely. She has 34.001 grams of flour and adds 1.0101 grams of baking powder and 0.47 grams of salt. How many past the decimal should her TOTAL measurement have?

• One past the decimal

• Two past the decimal

• Three past the decimal

• Four past the decimal

• None past the decimal

• Emma is calculating her total expenses for the day and needs to round to the proper number of decimal places

• 34.001

• + 1.0101

• 0.47

• 35.

• 35.4

• 35.5

• 35.48

• 35.481

Anika is baking a cake and needs to measure 7010.08 grams of flour. She accidentally measures 5.0606 grams LESS (subtraction). How many past the decimal should her corrected measurement have?

• One past the decimal

• Two past the decimal

• Three past the decimal

• Four past the decimal

• None past the decimal

Arjun is building a model and needs to fill a small box with liquid. He knows that 1 cubic inch is equivalent to a certain amount of milliliters. If 1 in³ = 1 mL, how many milliliters is 56 cubic inches (in³ ?

Mason is planning a road trip from New York to Los Angeles. He found out that the distance is approximately 2800 miles. If 1 mile is equivalent to 1.609 km, how many kilometers would his road trip be? Remember sig figs (go with the given).