Archive day

December 11, 2025

3,129 public questions were asked on this day.

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Which option correctly describes the reactants and products of a chemical reaction?(1 point) Responses The mass of the reactants must be equal to the mass of the products. The total number of moles of the reactants must...
Asked by bb 1 answer
A field of 3.9 mi2 is being subdivided into 1.3×103 family gardens. How many square miles will there be in each garden? Write the answer in scientific notation.(1 point) × miles squared Skip to navigation
Asked by jayc 1 answer
An asteroid is heading toward Mars at the rate of 7.7×104 mi./hr. If the asteroid is 3.311×108 miles away from Mars, how many hours will it be before it hits Mars? Write the answer in scientific notation, expressed to th...
Asked by jayc 1 answer
The average tectonic plate moves at the rate of 0.006 m per year. How many meters would it move in 2×106 years? Write the answer in scientific notation, expressed to the exact decimal place.(1 point) × m
Asked by jayc 1 answer
4y - 7 = y + 2. Y=___
Asked by . 1 answer
Light travels at an approximate rate of 1.9×105 mi./sec. There are about 3.2×107 seconds in a year. About how many miles does light travel in a year? Write the answer in scientific notation. Express the answer to the exa...
Asked by jayc 1 answer
Month 12-month percentage change, Consumer Price Index, Food October 2021 5.4% November 2021 6.4% December 2021 6.5% January 2022 7.0% February 2022 8.6% March 2022 10.0% April 2022 10.8% May 2022 11.9% June 2022 12.2% J...
Asked by David 1 answer
A strand of hair has an average mass of 2.17×10−5 ounces. A grain of rice has an average mass of 0.002 ounces. How much heavier is a grain of rice than a strand of hair? Express your answer in scientific notation.(1 poin...
Asked by jayc 1 answer
Calculate 4.8×10−3−9.4×10−6 . Express the answer in scientific notation rounding to 2 decimal places.(1 point) ×
Asked by jayc 1 answer
why is judicial review important for protecting individual rights and limiting government power? answer in 1 short sentence
Asked by nope 1 answer
why is judicial review important for protecting individual rights and limiting government power? answer in 1 sentence
Asked by nope 1 answer
The distance from Venus to the sun is about 67,000,000 miles. The distance from Earth to the sun is about 2.6×107 farther. What is the distance from Earth to the sun? Write your answer in scientific notation to 1 decimal...
Asked by jayc 1 answer
A national park covers an area of 1.42×106 acres. A nearby national forest covers an area of 1.2×106 acres. What is the total number of acres in the park and the forest combined?(1 point) Responses 15.5×106 15.5 times 10...
Asked by jayc 1 answer
Ellen is investigating the properties of soil. She is collecting evidence that soil is composed of layers. She digs a deep hole into an area of soil and records her observations. Which of the following lists the layers o...
Asked by anonymous 1 answer
Question Janiya is taking a road trip. The distance she plans to travel can be written as 3×102 kilometers, 3×105 meters, 3×107 centimeters, or 3×108 millimeters. Which distance uses the most appropriate units?(1 point)...
Asked by jayc 1 answer
What does the theory of continental drift state? A. All the continents were once one continent that broke up and drifted apart over hundreds of millions of years. B. The continents have always been separate but may one d...
Asked by anonymous 1 answer
why is judicial review important for protecting individual rights and limiting government power?
Asked by nope 1 answer
Place the numbers in descending order. 2.3 × 10−10 ; 3.2 × 10−10 ; 2.3 × 10−12 ; 2.3 × 10−8 (2 points) ; ; ;
Asked by jayc 1 answer
What is the most accepted explanation of tectonic movement? A. Currents and tides push the continents. B. Earth's rotation causes continents to plow through the ocean floor. C. Earthquakes create cracks that push the pla...
Asked by anonymous 1 answer
Which table matches each kind of plate movement to the landform that it most likely creates? A. Plate Movement Landform Created continental plates collide mid-ocean ridge continental plates separate trench oceanic plates...
Asked by anonymous 1 answer
The two main types of lithospheric plates are oceanic plates and continental plates. What happens along a convergent boundary between an oceanic plate and a continental plate? A. The two plates push against each other, p...
Asked by anonymous 1 answer
Use scientific notation to determine which of these numbers has the least value: 98,789,000; 987,890,000; or 89,987,000. Write your answer in scientific notation, expressed to the exact decimal place.(1 point) × Skip to...
Asked by jayc 1 answer
What causes many tsunamis, like the one that occurred in the Indian Ocean in 2004? A. earthquakes B. heavy winds C. hurricanes D. strong currents
Asked by anonymous 1 answer
Finding and Using a Quadratic Regression Model A new hospital tracked the number of births during its first 6 months of operation, as shown in the table. A 2-column table with 6 rows. The first column is labeled month wi...
Asked by Lemy 1 answer
According to the map, which area of the United States saw the greatest percent change in GDP? Select the correct answer.
Asked by David 1 answer