Which number is not in scientific notation? 6 ⋅ 10^25 2.01 ⋅ 10^−2 1.3 ⋅ 10^−4 0.5 ⋅ 10^3?

Which matrix multiplication is possible?

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11