Place Value and Lab Safety

What is the place value of the digit 7 in the number 5,732?

• Tens place

• Hundreds place

• Thousands place

• Ones place

Round 3.78 to the nearest whole number.

• 3.5

• 4

• 3

• 4.5

Which of the following is an example of a lab safety rule? a) Wearing goggles b) Eating in the lab c) Running in the lab d) Pouring chemicals down the sink

• a) Wearing goggles

• d) Pouring chemicals down the sink.

• c) Running in the lab

• b) Eating in the lab

What is the place value of the digit 9 in the number 9,876?

• thousands

• hundreds

• tens

• ones

Round 6.42 to the nearest tenth.

• 6.3

• 6.4

• 6.2

• 6.5

Which of the following is NOT a lab safety equipment? a) Fire extinguisher b) Safety goggles c) Lab coat d) Calculator

• d) Calculator

• b) Emergency shower

• c) First aid kit

• a) Fire blanket

What is the place value of the digit 2 in the number 2,345?

• Tens place

• Thousands place

• Ones place

• Hundreds place

Round 9.99 to the nearest whole number.

• 10

• 11

• 9.5

• 9

Which of the following is an example of a lab safety procedure? a) Mixing chemicals without gloves b) Leaving a hot plate unattended c) Cleaning up spills immediately d) Using broken glassware

• c

• d. Using broken glassware

• b. Leaving a hot plate unattended

• a. Not wearing gloves while mixing chemicals

What is the place value of the digit 6 in the number 6,789?

• thousands

• tens

• ones

• hundreds