bakerjohn860 bakerjohn860

22-10-2019
Mathematics

contestada

Estimate. then choose a method to find the product. 31x43

Respuesta :

jliu102007 jliu102007

23-10-2019

Answer:

120

Step-by-step explanation:

first round both numbers because we're estimating

31 is about 30

43 is about 40

these numbers are easier to multiply

30 x 40

=120

Answer Link

Otras preguntas

At a temperature of 60°F, a 0.03-in. gap exists between the ends of the two bars shown. Bar (1) is an aluminum alloy [E = 10,000 ksi; v = 0.32; a = 12.5 x 10-6/

Who invented the first machines? A Plato B Aristotle C Socrates D Archimedes

(1 point) (a) The graph of y = 2-3 is the graph of y = 2left 2 unitsshifted horizontallyshifted verticallydown 2 units(b) The graph of y = e² + 1 is the graph o

2500 deposited quarterly for 35 years at 7.25% compounded monthly how much will be saved after 35 years

Differentiate y= 4 cos (a) - 3a

Identify the MISMATCH pair from the following,a. Chlamydia sps :::: cell wall prevents phagosome fusion with lysosomeb. tuberculosis pathogen :::: reemerging pa

Typical chromosomes come in matched pairs called autosomal chromosomes. The exception to this rule is Chromosome 11. a. Trueb. False

Instructions: Please read each instruction carefully. Points awarded for each exercise is shown. Graphs should be done on grid (graph) paper and properly labell

0.16find the square roots of the following decimal numbers.

Instruction: Considering the various topics on gender spectrum, diversity and human rights discussed in this chapter, take a look at the picture shown below, an