Question

Round 29.4996 to the nearest tenths place

Round 29.4996 to the nearest thousands place

Round 32,594.0507 to the nearest thousands place

Round 32,594.0507 to the nearest hundredths place

Round 97.8493 to the nearest whole number

Round 97.8493 to the nearest tenths place

Round 0.00086513 to the nearest hundredths place

Round0.00086513 to two significant digits

Round 0.00086513 to three significant digits

Round 0.00000021475 to three significant digits

Answer 1

Solution:

Place value number system:

(thousands, hundreds, tens, ones, decimal, tenths, hundredths, thousandths)

#Round 29.4996 to the nearest tenths place = 29.5

29.4996 (4 is tenths place)

Next digit is 9 >5 . Hence tenths value 4 becomes 5.

29.5

#Round 29.4996 to the nearest thousands place = 0

0029.4996 ....(0 is the thousands place)

0

#Round 32,594.0507 to the nearest thousands place = 33,000

32,594.0507 .....(2 is the thousands place)

Next number is 594 > 500. Hence thousands place 2 become 3 followed by 000.

33,000

#Round 32,594.0507 to the nearest hundredths place = 32,594.05

32,594.0507 ...(5 is the hundredths value)

Next digit is 0 < 5.

32,594.05

#Round 97.8493 to the nearest whole number = 98

8 > 5. Hence value at ones place 7 becomes 8

98

#Round 97.8493 to the nearest tenths place = 97.8

97.8493 ....(8 is at tenths place)

Next digit is 4 < 5.

97.8

#Round 0.00086513 to the nearest hundredths place = 0.00

0.00086513 ...(0 is the hundredths place)

Next digit is 0 < 5.

0.00

#Round 0.00086513 to two significant digits = 0.00086

#Round 0.00086513 to three significant digits = 0.000865

#Round 0.00000021475 to three significant digits = 0.000000214