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Questions

1 / 10

Time

Score

Addtion And Subtraction With Exponents

Which of the following is the simplest form of $12^5+12^5+12^5$ ?

$12^{15}$

$3\times12^5$

$12\times12^{10}$

$12\times5^{12}$

Which of the following is the simplest form of $2\times5^7+5^7$ ?

$5^{21}$

$2\times5^{14}$

$3\times5^7$

$2\times5^{14}$

Which of the following is the simplest form of $2^5+2^5$ ?

$4^5$

$2^6$

$4^{10}$

$2^{10}$

Which of the following is the simplest form of $10\times4^5-3\times4^5$ ?

$7\times4^4$

$28$

$7$

$7\times4^5$

Which of the following is the simplest form of $2\times8^{10}-8^9$ ?

$16^1$

$2\times8^{10}$

$15\times8^9$

$2\times8^9$

Which of the following is the simplest form of $2\times5^7+5^7$ ?

$5^{21}$

$2\times5^{14}$

$3\times5^7$

$2\times5^{14}$

Which of the following is the simplest form of $3\times2^2-5\times2^2$ ?

16 -8

-64

-2

Which of the following is the simplest form of $2\times3^{10}-3^{10}$

$3^{20}$

$3^0$

$2$

$3^{10}$

Which of the following is the simplest form of $7^4+7^4$ ?

$7^8$

$2\times4^7$

$2\times7^4$

$7\times2^4$

Which of the following is the simplest form of $4\times7^7-5\times7^6$ ?

$7^1$

$23\times7^7$

$23\times7^6$

$-7^7$

Questions

Time

Score

Addtion And Subtraction With Exponents

Which of the following is the simplest form of ﻿125+125+12512^5+12^5+12^5125+125+125﻿ ?

﻿121512^{15}1215﻿

﻿3×1253\times12^53×125﻿

﻿12×121012\times12^{10}12×1210﻿

﻿12×51212\times5^{12}12×512﻿

Which of the following is the simplest form of ﻿2×57+572\times5^7+5^72×57+57﻿ ?

﻿5215^{21}521﻿

﻿2×5142\times5^{14}2×514﻿

﻿3×573\times5^73×57﻿

﻿2×5142\times5^{14}2×514﻿

Which of the following is the simplest form of ﻿25+252^5+2^525+25﻿ ?

﻿454^545﻿

﻿262^626﻿

﻿4104^{10}410﻿

﻿2102^{10}210﻿

Which of the following is the simplest form of ﻿10×45−3×4510\times4^5-3\times4^510×45−3×45﻿ ?

﻿7×447\times4^47×44﻿

﻿282828﻿

﻿777﻿

﻿7×457\times4^57×45﻿

Which of the following is the simplest form of ﻿2×810−892\times8^{10}-8^92×810−89﻿ ?

﻿16116^1161﻿

﻿2×8102\times8^{10}2×810﻿

﻿15×8915\times8^915×89﻿

﻿2×892\times8^92×89﻿

Which of the following is the simplest form of ﻿2×57+572\times5^7+5^72×57+57﻿ ?

﻿5215^{21}521﻿

﻿2×5142\times5^{14}2×514﻿

﻿3×573\times5^73×57﻿

﻿2×5142\times5^{14}2×514﻿

Which of the following is the simplest form of ﻿3×22−5×223\times2^2-5\times2^23×22−5×22﻿ ?

16

-8

-64

-2

Which of the following is the simplest form of ﻿2×310−3102\times3^{10}-3^{10}2×310−310﻿

﻿3203^{20}320﻿

﻿303^030﻿

﻿222﻿

﻿3103^{10}310﻿

Which of the following is the simplest form of ﻿74+747^4+7^474+74﻿ ?

﻿787^878﻿

﻿2×472\times4^72×47﻿

﻿2×742\times7^42×74﻿

﻿7×247\times2^47×24﻿

Which of the following is the simplest form of ﻿4×77−5×764\times7^7-5\times7^64×77−5×76﻿ ?

﻿717^171﻿

﻿23×7723\times7^723×77﻿

﻿23×7623\times7^623×76﻿

﻿−77-7^7−77﻿

Incorrect

Great!

Which of the following is the simplest form of $12^5+12^5+12^5$ ?

$12^{15}$

$3\times12^5$

$12\times12^{10}$

$12\times5^{12}$

Which of the following is the simplest form of $2\times5^7+5^7$ ?

$5^{21}$

$2\times5^{14}$

$3\times5^7$

$2\times5^{14}$

Which of the following is the simplest form of $2^5+2^5$ ?

$4^5$

$2^6$

$4^{10}$

$2^{10}$

Which of the following is the simplest form of $10\times4^5-3\times4^5$ ?

$7\times4^4$

$28$

$7$

$7\times4^5$

Which of the following is the simplest form of $2\times8^{10}-8^9$ ?

$16^1$

$2\times8^{10}$

$15\times8^9$

$2\times8^9$

Which of the following is the simplest form of $2\times5^7+5^7$ ?

$5^{21}$

$2\times5^{14}$

$3\times5^7$

$2\times5^{14}$

Which of the following is the simplest form of $3\times2^2-5\times2^2$ ?

Which of the following is the simplest form of $2\times3^{10}-3^{10}$

$3^{20}$

$3^0$

$2$

$3^{10}$

Which of the following is the simplest form of $7^4+7^4$ ?

$7^8$

$2\times4^7$

$2\times7^4$

$7\times2^4$

Which of the following is the simplest form of $4\times7^7-5\times7^6$ ?

$7^1$

$23\times7^7$

$23\times7^6$

$-7^7$