Scientific Notations Unit Test
Raj is simplifying using these steps:Although Raj is correct so far, which step could he have used instead to simplify the expression ?
a)
Which is the best estimate for written in scientific notation?
a)
Which number is written in scientific notation?
a)
Which statement is correct?
a)
Annabelle measured her bedroom as 11 ft 13 ft, which is 143 square feet. She wants to change the units to square inches. Which statements should she consider when converting? Check all that apply.
a) b) d)
Which expressions are equivalent to ? Check all that apply.
a) c) f)
Which is the value of this expression when and ?
a) -64
Dahlia is simplifying using these steps:Although Dahlia is correct so far, which step could she have used instead to simplify the expression ?
b)
Which is the simplified form of..
b)
Which is the value of this expression when and ?
b)
Which conversions from scientific notation to standard notation are true? Check all that apply.
b) e) g) h)
Which answer shows 0.00897 written in scientific notation?
b) 8.97*10^-3
A company produces light bulbs each week. Written in scientific notation, which is the best estimate of how many light bulbs the company will make in weeks?
c)
A jet flies at a rate of feet per hour. Written in scientific notation, which is the best estimate of how many feet the jet will travel in hours?
c)
The product of and a number n results in . What is the value of n?
c)
What is the value of in scientific notation?
c)
Which applies the power of a product rule to simplify ?
c)
Which is the value of this expression when m=4 and n=5?
c)
A 747 airplane weighs about 600,000 pounds. It can also be expressed as approximately tons. If there are 2,000 pounds in 1 ton, which is the most reasonable value of n?
c) 2
Rena used the steps below to evaluate the expression , when . Step 1: Substitute into the expression. Step 2: Simplify the parentheses. Step 3: Evaluate the power to a power. Step 4: Use reciprocals and find the value. In which step did Rena make the first error?
c) Step 3
Loi used these steps to simplify the expression . Step 1: Subtract the exponents of powers with like bases. Step 2:Apply the power of a product rule. Step 3:Write negative exponents as reciprocals using positive exponents. Step 4:Evaluate the power with the integer base. In which step did Loi make the first error?
c) step 3
Kailey wrote 8,912,000 in scientific notation as . Which statement best describes Kailey's work?
d)
Which expression can be simplified as ?
d)
An inground swimming pool contains units of water. Which unit of measure was used?
d) gallons
Which is the simplified form of the expression ?
d)x^3y^24
