Can someone help me with my pretest please ?

How do you convert 1.27 to a percentage

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Match each whole number with a rational, exponential expression 3 square root 27^2find the domain and range of the exponential function h(x)=125^x. explain your findings. as x decreases does h increase or decrease? explain. as x increases does h increase or decrease? explain.