Multiplying to the Power of 10
Knowing that 8.4×10²=840, what is 8.4×10⁴?
84,000
Estimate the product.
4.34 x 7.1 = ?
4 x 7 = 28
About 28
0.2 x 4.6
0.92
A sandwich shop uses 0.13 pound of bacon on each sandwich. How much bacon
will the shop need to make 7 sandwiches?
.91 pound
A rectangular card measures 6.2 inches long by 4.8 inches wide.
Which is the best estimate for the area of the card?
About 30 inches
9.32 x 10⁷ = ?
9,320,000
Clara is making pillows. Each pillow requires 1.7 yards of fabric. Clara will need this amount of fabric to make 12 pillows. About how much fabric will she need to make all 12 pillows?
About 24 yeards
3.9 x 0.3
1.17
A sandwich shop uses 0.14 pound of tomato on each sandwich.
How much tomato will the shop need to make 66 sandwiches?
.84 pounds
Zara knows that 23×0.86=19.78. What is 2.3×8.6?
19.78
90,000
Ben earns $2.90 for each crate of berries he picks. About how much would Ben earn if he picks 4 crates of berries?
About $12
9.3 x 0.8
7.44
Raul can hit a golf ball 26.4 yards. AJ can hit a golf ball 10 times as far. This is how far AJ can hit the ball.
264 yards
Which sum is equivalent to 4.8×0.7?
A)280+56
B)28+5.6
C)2.8+5.6
D)2.8+0.56
D) 2.8 + 0.56
Knowing that 4.8×10²=480, what is 4.8×10⁴?
4,800
A company sells trail mix for $3.95 per pound. About how much would it cost to buy a bag of trail mix weighing 5 pounds?
About $20
0.79 x 4.3
3.397
According to her step-counter, Juanita walked 1.6×10⁴ steps yesterday. How many steps did Juanita walk yesterday?
16,000
Bruce knows that 5.8×17=98.6.
Use the pattern to tell if it's true or false.
1)5.8×1.7=9.86
2)58×17=98.6
3)58×0.17=9.86
4)58×1.7=9,860
1) True
2) False
3) True
4) False
0.127 x 10⁴ = ?
1,270
What is the range of this equation?
Show the 2 equations, and the range.
9.3 x 1.8 = ?
9 x 1 = 9
10 x 2 = 20
1.8 x 0.35
0.63
According to his step-counter, Jerry walked 4.5×10⁴ steps during the past week. How many steps did Jerry walk last week?
45,000
Keith knows that 6.3×47=296.1
Use the pattern to tell if it's True or False
1) 6.3×4.7=29.61
2) 63×47=29,610
3)63×0.47=296.1
4)63×4.7=296.1
1) True
2) False
3) False
4) True